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Статті в журналах з теми "ZERODHA"

Автор: Grafiati

Опубліковано: 13 лютого 2024

Оновлено: 25 липня 2025

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1

Lenaa, Kumarr. "Disruptive Innovation of Zerodha." Journal of Research and Review in Sales and Marketing 1, no. 2 (2024): 19–25. https://doi.org/10.5281/zenodo.13860626.

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<em>This Research paper examines the quick rise to popularity of Zerodha, the biggest discount broker in India, following its path from start to present in the financial services industry. This research also examines Zerodha's creative business strategies which have helped the company to grow to the top of the Indian stockbroking sector.</em><em> </em><em>This research paper also discussed about marketing strategies and disruptive innovation used by Zerodha and about the milestones and growth of Zerodha over the years and how it differentiated itself from its competitors through pricing strate

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2

Satardekar, Dr Khushboo Prakash. "Portfolio Management in the Financial Services Industry: Risk and Return Optimization Strategies for Institutional Investors." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 02 (2025): 1–9. https://doi.org/10.55041/ijsrem41820.

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Portfolio management is a key area of financial services, especially for institutional investors seeking to maximize returns while minimizing risk. This paper focuses on the portfolio management strategies employed by financial platforms, specifically comparing two leading fintech platforms in India: Groww and Zerodha. By analyzing the risk-return optimization strategies, features, and offerings, we evaluate how these platforms contribute to institutional portfolio management and their potential benefits to institutional investors. Keywords: Portfolio Management, Risk and Return, Financial Ser

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3

Prakash Satardekar, Dr Khushboo. "A Study on Digital Transformation in Investment Management: A Comparative Analysis of Traditional SIPs and Fingertip SIPs with Reference to Zerodha and Groww." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 04 (2025): 1–9. https://doi.org/10.55041/ijsrem44835.

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The increasing prevalence of financial technology has reshaped the investment landscape, particularly in India’s Systematic Investment Plan (SIP) market. Traditional SIPs, once confined to mutual fund distributors and banks, have now been challenged by digital platforms like Zerodha and Groww, which provide “Fingertip SIPs”—an entirely mobile-based, low-cost investment vehicle. This paper presents a comparative analysis of traditional SIPs and Fingertip SIPs by focusing on two leading digital platforms, Zerodha and Groww, assessing their impact on investor behavior, cost-effectiveness, and mar

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4

Yadav, Sudhanshu, Dr Rachna Jawa, Rahul Kabra, and Ria Aggarwal. "INVESTMENT TECH: THE RISE OF DISCOUNT BROKERS IN INDIA." International Journal of Research -GRANTHAALAYAH 10, no. 3 (2022): 176–93. http://dx.doi.org/10.29121/granthaalayah.v10.i3.2022.4544.

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Анотація:

This paper analyzes the emergence of discount retail investment platforms in India which have disrupted the Fintech landscape of the country, especially for the traditional brokerages, by presenting a technologically cost-efficient solution to the general public. Through this expository paper, the aim is to highlight the rising prominence of discount brokerages and their role in revolutionizing the Indian stock market. This analytical study endeavours to decipher the key reasons for the shift of retail investors to discount brokers recently and uses time-series data from 2013-14 to 2020-21 to

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5

DR, BHADRAPPA HARALAYYA. "Risk And Return Analysis of Mutual Funds with Reference to Banks." Iconic Research And Engineering Journals 5, no. 10 (2022): 45–55. https://doi.org/10.5281/zenodo.6420174.

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Анотація:

This Project aims at creating a practical knowledge, experience and exposure for the students by giving an opportunity to know, observe, and learn the nature, vision, objectives, and functioning of an organization and the activities in the organization. This would enable me to get a practical and real time feel of the various aspects of the organization and relate it to the concepts and theories studied so far in the classroom. This exercise would enable the future managers to face the challenges lying ahead. It also enables to create a good relationship with the officials. This project was a

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6

Jana, Subrata, Bibhas Chandra Giri, Anirban Sarkar, et al. "Selection of Brokerage Firms for E-Services Using Fuzzy Decision-Making Process with AHP and MARCOS Approaches." Engineering review 44, no. 4 (2024): 1–21. https://doi.org/10.30765/er.2585.

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Анотація:

Financial e-services revolutionize brokerage firms in today’s world, enabling clients to manage investments, conduct trades, and access real-time market data seamlessly online. With intuitive platforms and robust security measures, investors can monitor portfolios, execute transactions, and stay informed anytime, anywhere, fostering greater autonomy and efficiency in their financial endeavours. The main objectives of this study are to make a comparative analysis among the features of the e-services and find out the ranking of the brokerage firms from best to least good, for better decision mak

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7

Shivaansh Shroff, Sai. "AN EXPLORATORY STUDY OF THE INDIAN STOCK MARKET ON THREE MAJOR UNICORNS: BYJUS, NYKAA AND ZERODHA SINCE 2019." International Journal of Social Science & Economic Research 09, no. 01 (2024): 183–200. http://dx.doi.org/10.46609/ijsser.2024.v09i01.013.

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On analyzing the trends of the three companies there is a clear indication that innovation and invention are the way forward. Overleveraging on existing market conditions is not something that can be taken for granted as these conditions are continuously changing. Using your own funds is the best way to achieve higher sales, revenue, and profits.

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8

Khanapurkar, Aabha, and Ajit Gagare. "Guiding Investors: A Thematic Textual Analysis of Content Marketing Strategies by Groww." Journal of Communication and Management 3, no. 04 (2024): 315–27. https://doi.org/10.58966/jcm2024345.

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Анотація:

The digitization of financial markets has ushered in a transformative era, revolutionizing traditional investment practices. One significant change in this landscape is the rise of discount brokers, which, through accessible digital platforms, have democratized investing by offering diverse services at reduced costs and eliminating substantial brokerage fees. Groww, a leading discount broking app in India, reached a milestone in 2023 by surpassing Zerodha as the largest platform in terms of active investors, amassing 6.63 million users by September 2023. This success stems from Groww’s strateg

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9

Burge, J. H., T. Peper, and S. F. Jacobs. "Thermal Expansion of Borosilicate Glass, Zerodur, Zerodur M, and Uncer amized Zerodur at Low Temperatures." Applied Optics 38, no. 34 (1999): 7161. http://dx.doi.org/10.1364/ao.38.007161.

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10

Pierre des Ammbrois, Stefano De, Ingrid Corazzari, Olivier Damiano, et al. "Adhesive Joining of Zerodur–CFRP–Zerodur Sandwich Structures for Aerospace Applications." Macromolecular Materials and Engineering 305, no. 12 (2020): 2000464. http://dx.doi.org/10.1002/mame.202000464.

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11

Zerova, M., L. Seryogina, and Yu Karimpour. "New Species of the Chalcidoid Wasps of the Families Eurytomidae and Torymidae (Hymenoptera, Chalcidoidea) from Iran." Vestnik Zoologii 42, no. 6 (2008): e101-e108. http://dx.doi.org/10.2478/v10058-008-0016-0.

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Анотація:

New Species of the Chalcidoid Wasps of the Families Eurytomidae and Torymidae (Hymenoptera, Chalcidoidea) from Iran Three new species of the Family Eurytomidae (Eurytoma lactucae Zerova, sp. n.; Bruchophagus trjapitzini Zerova, sp. n.; Nikanoria shohadae Zerova, sp. n.) and two species of Family Torymidae (Glyphomerus flavabdomen Zerova, sp. n.; Cryptopristus salviae Zerova, sp. n.) are described from Iran; ten palearctic species from the same Families are indicated for Iranian fauna for the first time (Eurytoma abdita Zerova, E. calicotomae Zerova, Eurytoma robusta Mayr, Bruchophagus astragal

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12

Mallows, Colin. "The Zeroth Problem." American Statistician 52, no. 1 (1998): 1. http://dx.doi.org/10.2307/2685557.

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13

Mallows, Colin. "The Zeroth Problem." American Statistician 52, no. 1 (1998): 1–9. http://dx.doi.org/10.1080/00031305.1998.10480528.

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14

Collocott, S. J., and G. K. White. "Heat capacity and thermal expansion of Zerodur and Zerodur M at low temperatures." Cryogenics 31, no. 2 (1991): 102–4. http://dx.doi.org/10.1016/0011-2275(91)90254-t.

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15

Mao Yuanhao, 毛元昊, 谭中奇 Tan Zhongqi, 陈丁博 Chen Dingbo та ін. "全内腔微晶架构大型激光陀螺设计与激光动力学研究". Chinese Journal of Lasers 51, № 22 (2024): 2201004. http://dx.doi.org/10.3788/cjl240511.

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16

Ali, Sk Zeeshan, and Subhasish Dey. "Discovery of the zeroth law of helicity spectrum in the pre-inertial range of wall turbulence." Physics of Fluids 34, no. 7 (2022): 071401. http://dx.doi.org/10.1063/5.0093998.

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Анотація:

We report an unprecedented existence of the zeroth law of helicity spectrum (i.e., the helicity spectrum becomes independent of the wavenumber) in the transition from production range to inertial range, herein termed the pre-inertial range, of wall turbulence. The zeroth law is explained by the superposition effect of the forward joint cascade of energy and helicity caused by twisting and stretching of wall-attached superstructures in an equilibrium layer. The phenomenological model perfectly predicts the zeroth law in the pre-inertial range. Experimental data support the existence of the zero

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17

Chan, Chia Yen, Yi Cheng Chen, Chii Rong Yang, and Ting Ming Huang. "Effect of Acid Etching Durations on Surface Roughness and Residual Stresses of Lightweight Glass Ceramic." Applied Mechanics and Materials 284-287 (January 2013): 77–82. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.77.

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The present study is aimed at investigating the effect of acid etching durations on the surface roughness and birefringence of lightweight mirrors made of ZERODUR® glass ceramic. Four acid etching durations (15, 20, 25 and 30 min) have been chosen at a fixed concentration. By using the photoelasticity, surface profiler and laser microscope, the results before and after acid etching have been obtained. It is found the maximum value of the retardation for the polished lightweight ZERODUR® mirror is up to 30 nm. In addition, residual stresses induced by the grinding process with an average grain

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18

Maslov, V. P. "Zeroth-Order Phase Transitions." Mathematical Notes 76, no. 5/6 (2004): 697–710. http://dx.doi.org/10.1023/b:matn.0000049669.32515.f0.

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19

Zerova, M. D., and L. Ya Seryogina. "A New Species of the Genus Ormyrus (Hymenoptera, Ormyridae) from the Steppe Zone of the Ukraine." Vestnik Zoologii 48, no. 3 (2014): 281–83. http://dx.doi.org/10.2478/vzoo-2014-0032.

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Abstract A New Species of the Genus Ormyrus (Hymenoptera, Ormyridae) from the Steppe Zone of Ukraine. Zerova M. D., Seryogina L. Ya. - A new species (Ormyrus askanicus Zerova, sp. n.) is described from materials collected in reserve “Askania Nova” (Ukraine, Kherson Region). The new species belongs to orientalis species group (female gaster with dorsal median keel) and is near to O. novus Zerova, 2012.

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20

Klokkevold, Katherine N., Weston Keeven, Dong Hun Lee, et al. "Low-temperature metal/Zerodur heterogeneous bonding through gas-phase processed adhesion promoting interfacial layers." AIP Advances 12, no. 10 (2022): 105224. http://dx.doi.org/10.1063/6.0002114.

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The bonding of ceramic to metal has been challenging due to the dissimilar nature of the materials, particularly different surface properties and the coefficients of thermal expansion (CTE). To address the issues, gas phase-processed thin metal films were inserted at the metal/ceramic interface to modify the ceramic surface and, therefore, promote heterogeneous bonding. In addition, an alloy bonder that is mechanically and chemically activated at as low as 220 °C with reactive metal elements was utilized to bond the metal and ceramic. Stainless steel (SS)/Zerodur is selected as the metal/ceram

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21

Lube, Tanja, and Stéphanie Béhar-Lafenêtre. "Strength behaviour of etched Zerodur ®." Journal of the European Ceramic Society 37, no. 14 (2017): 4407–13. http://dx.doi.org/10.1016/j.jeurceramsoc.2017.02.030.

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22

TAKIOKA, HIDEO. "THE ZEROTH COEFFICIENT HOMFLYPT POLYNOMIAL OF A 2-CABLE KNOT." Journal of Knot Theory and Its Ramifications 22, no. 02 (2013): 1350001. http://dx.doi.org/10.1142/s0218216513500016.

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The zeroth coefficient polynomial is a one variable polynomial contained in the HOMFLYPT polynomial. In this paper, we give a basic computation of the zeroth coefficient polynomial of a 2-cable knot. In particular, we compute the zeroth coefficient polynomials of the 2-cable knots of the Kanenobu knots. It is known that the Kanenobu knots have the same HOMFLYPT polynomial and the same Khovanov–Rozansky homology. As a result, we distinguish the Kanenobu knots completely. Moreover, we estimate the braid indices of the Kanenobu knots.

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23

Zerova, M. D., L. Ya Seryogina, W. S. Kuslitzky, and Ya Argov. "Species of the Genus Idiomacromerus (Hymenoptera, Chalcidoidea, Torymidae) Reared from Flower Heads of Some Asteraceae in Israel." Vestnik Zoologii 47, no. 2 (2013): 57–61. http://dx.doi.org/10.2478/vzoo-2013-0016.

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Анотація:

Four species of the genus Idiomacromerus Crawford, 1914 are recorded from Israel as reared from flower heads of Centaurea spp. (Asteraceae). Two of them, Idiomacromerus artusis Zerova, sp. n. and I. persimilis Zerova, sp. n. are described

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24

Zerova, M., L. Seryogina, and A. Van Harten. "New and Formerly Unknown Ormyridae Species from the United Arab Emirates (Hymenoptera, Chalcidoidea)." Vestnik Zoologii 46, no. 2 (2012): e-14-e-22. http://dx.doi.org/10.2478/v10058-012-0011-3.

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New and Formerly Unknown Ormyridae Species from the United Arab Emirates (Hymenoptera, Chalcidoidea) Three new species (Ormyrus qurrayahi Zerova, sp. n., O. punctellus Zerova, sp. n. and O. novus Zerova, sp. n.) are described. Two first species belong to diffinis species group (female gaster without dorsal median keel). O. novus sp. n. belongs to orientalis species group (female gaster with dorsal median keel). In addition, two Palaearctic species of the genus Ormyrus are recorded from the United Arab Emirates for the first time. A key to Palaearctic Ormyrus species is provided.

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25

Kurtishaj, Ardita, Ibrahim Hameli, Arber Zeqiraj, and Sefer Avdiaj. "Measurements of helium permeation in Zerodur glass used for the realisation of quantum pascal." ACTA IMEKO 11, no. 2 (2022): 1. http://dx.doi.org/10.21014/acta_imeko.v11i2.1155.

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In the new optical pressure standard Ultra-Low Expansion glass cavities were proposed to measure helium refractivity for a new realisation of the unit of pressure, pascal. However, it was noticed that the use of this type of material causes some difficulties. One of the main problems of ULE glass is the pumping effect for Helium. Therefore, instead of ULE, Zerodur glass was proposed as a material for the cavity. This proposal was given by the Vacuum Metrology team of the Physikalisch-Technische Bundesanstalt - PTB in the QuantumPascal project. In order to calculate the flow of helium gas throu

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26

Antov, Miroslav, Anelia Stojanova, Ivaylo Todorov, Peter Boyadzhiev‍, and Richard Askew. "Chalcidoid parasitoids (Hymenoptera: Chalcidoidea) associated with Sibinia subelliptica (Desbrochers, 1873) (Coleoptera: Curculionidae) in Bulgaria." Graellsia 78, no. 2 (2022): e171. http://dx.doi.org/10.3989/graellsia.2022.v78.344.

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El gorgojo Sibinia subelliptica (Desbrochers, 1873) y un rico complejo de parasitoides calcidoides asociados se criaron a partir de inflorescencias de Dianthus giganteus d’Urv. (Caryophyllaceae) en Bulgaria. Se identificaron los siguientes taxones: Aprostocetus venustus (Gahan) y Baryscapus sp. cercana a garganus (Domenichini, 1958) (Eulophidae); Eupelmus barai Fusu y E. microzonus Förster (Eupelmidae); Aximopsis augasmae (Zerova), A. collina (Zerova), Eurytoma coleophorae Zerova y E. coleopterae Zerova (Eurytomidae); Catolaccus crassiceps (Masi) y Pteromalus ochrocerus (Thomson) (Pteromalidae

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27

Lee, Jae-Gon, and Jeong-Hae Lee. "Zeroth Order Resonance Loop Antenna." IEEE Transactions on Antennas and Propagation 55, no. 3 (2007): 994–97. http://dx.doi.org/10.1109/tap.2007.891875.

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28

de Montbrun, Étienne, and Sébastien Gerchinovitz. "Certified Multifidelity Zeroth-Order Optimization." SIAM/ASA Journal on Uncertainty Quantification 12, no. 4 (2024): 1135–64. http://dx.doi.org/10.1137/23m1591086.

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29

Pizolato Jr., José Carlos, Giuseppe Antonio Cirino, Cristhiane Gonçalves, and Luiz Gonçalves Neto. "Zeroth-order phase-contrast technique." Applied Optics 46, no. 31 (2007): 7604. http://dx.doi.org/10.1364/ao.46.007604.

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30

Friedlander, Leonid, and Victor Guillemin. "Determinants of zeroth order operators." Journal of Differential Geometry 78, no. 1 (2008): 1–12. http://dx.doi.org/10.4310/jdg/1197320601.

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31

Frigerio, Alberto, Vittorio Gorini, and Maurizio Verri. "The zeroth law of thermodynamics." Physica A: Statistical Mechanics and its Applications 137, no. 3 (1986): 573–602. http://dx.doi.org/10.1016/0378-4371(86)90095-6.

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32

Sadiq, Ahmed, A. Abdul Hassain Zaid, A. Abdulnabi Hussein, and Al-Saadi Mohammed. "Design and bandwidth enhancement of zeroth-order resonator antenna using metamaterial." TELKOMNIKA (Telecommunication, Computing, Electronics and Control) 20, no. 6 (2022): 494–500. https://doi.org/10.12928/telkomnika.v20i3.23295.

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In this paper, a compact configuration of zeroth-order resonator antenna is described. The unit cell zeroth-order resonator properties are introduced by composite right/left-handed transmission line approach is fed by coplanar waveguide. The proposed resonator is analyzed by changing the coupling space and stub length of the unit cell. The size of implemented resonator is (0.185 λ<sub>0</sub> × 0.185 λ<sub>0 </sub>× 0.027 λ<sub>0</sub>) at the centre frequency. In this work, a zeroth-order resonator antenna design with enhanced bandwidth has been presented, and

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33

Alsendi, Ayad Kadhim, Jamasb Nozari, Seyed Ebrahim Sadeghi, Hamid Adelimansh, and Marina Zerova. "Contribution to the genus Bruchophagus Ashmead species (Hymenoptera, Eurytomidae) associated with Astragalus brachydontus (Fabaceae) in Iran." Journal of Insect Biodiversity and Systematics 8, no. 4 (2022): 559–69. https://doi.org/10.52547/jibs.8.4.559.

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Анотація:

Seed-eater eurytomids of the genus <em>Bruchophagus</em> Ashmead, 1988 were collected from Ardabil and Qazvin provinces in northwest Iran. Various host plants were collected and their seeds were kept in laboratory conditions from 2007 to 2012. Scope of this paper focused on the <em>Bruchophagus</em> species reared from seeds of <em>Astragalus brachydontus</em> Boiss (Fabaceae). We obtained six species of <em>Bruchophagus</em> including <em>B. astragali</em> Fedoseeva. They were <em>B. saxatilis </em>Zerova; <em>B. mutabilis</em>&

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34

Zerova, M., and L. Seryogina. "A Review of Eurytoma Pistaciae Species Group (Hymenoptera, Eurytomidae), with Description of Two New Species." Vestnik Zoologii 43, no. 1 (2009): e-31-e-38. http://dx.doi.org/10.2478/v10058-009-0004-z.

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Анотація:

A Review of Eurytoma Pistaciae Species Group (Hymenoptera, Eurytomidae), with Description of Two New Species Eurytoma pistaciae species group is reviewed to include eight species, of them six Palaearctic (E. pistaciae Rondani, E. spinipes Kalina, E. tokatensis Doganlar, E. narendrani Zerova, sp. n., E. doganlari Zerova, sp. n., E. ochraceipes Kalina), the latter one also in the Oriental Region and two species (E. arabica Risbec and E. tibiaspinae Zerova) known from the Afrotropical Region. E. doganlari sp. n. and E. narendrani sp. n. are described. A key to all species belonging to pistaciae s

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35

IRAGO, H., and J. M. VIAÑO. "SECOND-ORDER ASYMPTOTIC APPROXIMATION OF FLEXURAL VIBRATIONS IN ELASTIC RODS." Mathematical Models and Methods in Applied Sciences 08, no. 08 (1998): 1343–62. http://dx.doi.org/10.1142/s0218202598000639.

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We address the approximation of the eigenvalues and eigenfunctions of the spectral problem derived from the linearized elastic system for a rod. The geometric properties of domain (area of cross-section is very small with respect to its length) allow us to use an asymptotic method as principal tool using the diameter of cross-section as a small parameter ∊. We characterize zeroth- and second-order terms. Convergence results to the zeroth-order term have already been studied elsewhere. Here we analyze several questions related to the second-order term as an improvement on the zeroth-order appro

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36

Hu, Xiaolin, Zixuan Gong, Gengze Xu, et al. "Stability and Generalization of Zeroth-Order Decentralized Stochastic Gradient Descent with Changing Topology." Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 16 (2025): 17342–50. https://doi.org/10.1609/aaai.v39i16.33906.

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Анотація:

Zeroth-order (ZO) optimization as the gradient-free method has become a powerful tool when the first-order gradient is unavailable or expensive to obtain, especially in decentralized learning scenarios where data and computational resources are distributed across multiple clients. There have been many efforts to analyze the optimization convergence rate of zeroth-order decentralized stochastic gradient descent (ZO-DSGD) algorithms. However, the generalization of these methods has not been well studied. In this paper, we provide a generalization analysis of ZO-DSGD with changing topology, where

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37

Lichtinger, Klaus, Armin Reif, Sebastian Sitzberger, and Rolf Rascher. "Zerodur mit kryogener MMS und Ultraschall bearbeiten." VDI-Z 163, no. 03 (2021): 39–41. http://dx.doi.org/10.37544/0042-1766-2021-03-39.

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Анотація:

Das Spannungsfeld zwischen technischer Machbarkeit, Wirtschaftlichkeit und Nachhaltigkeit stellt Anwender bei der Bearbeitung sprödharter Werkstoffe wie Zerodur mit konventionellen Fertigungsverfahren vor große Herausforderungen. Die Kombination der Zerspanung mit Ultraschall (US) und kryogener Minimalmengenschmierung (kMMS) könnte diese Zielkonflikte verringern.

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38

Hartmann, Peter. "ZERODUR®: deterministic approach for strength design." Optical Engineering 51, no. 12 (2012): 124002. http://dx.doi.org/10.1117/1.oe.51.12.124002.

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39

Champagnon, B., A. Boukenter, E. Duval, C. Mai, G. Vigier, and E. Rodek. "Early stages of nucleation of Zerodur glass." Journal of Non-Crystalline Solids 94, no. 2 (1987): 216–21. http://dx.doi.org/10.1016/s0022-3093(87)80291-0.

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40

Zhang, Haihui, Jiawei Zou, and Pengcheng Xiao. "Sequential Regularization Method for the Identification of Mold Heat Flux during Continuous Casting Using Inverse Problem Solutions Techniques." Metals 13, no. 10 (2023): 1685. http://dx.doi.org/10.3390/met13101685.

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A two-dimensional transient inverse heat-conduction problem (2DIHCP) was established to determine the mold heat flux using observed temperatures. The sequential regularization method (SRM) was used with zeroth-, first-, and second-order spatial regularization to solve the 2DIHCP. The accuracy of the 2DIHCP was investigated under two strict test conditions (Case 1: heat flux with time-spatial periodically varying, and Case 2: that with sharp variations). The effects of the number of future time steps, regularization parameters, order of regularization, discrete grids, and time step size on the

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41

Takahashi, Akira. "Measurement of Long-Term Dimensional Stability of Glass Ceramics Using a High-Precision Line Scale Calibration System." International Journal of Automation Technology 5, no. 2 (2011): 120–25. http://dx.doi.org/10.20965/ijat.2011.p0120.

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Анотація:

Length measurement was conducted for two years on glass ceramics, Zerodur®and Clearceram®, which have a low coefficient of thermal expansion, and on synthetic quartz. Commercially available glass ceramics were used for evaluating long-term stability, or secular change. Synthetic quartz ensured longterm length measurement stability. Two line scales of 300 mm length made of each material for a total of six line scales were simultaneously manufactured and measured to evaluate dimensional stability variation of the materials over time. Measurements were conducted with a line scale calibration syst

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42

Shu, Wenhao, Bo Wang, Hao Pei, et al. "Investigation on multilayer microstructure grating for three-port splitting." Modern Physics Letters B 30, no. 16 (2016): 1650195. http://dx.doi.org/10.1142/s0217984916501955.

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A new structure of microstructure reflection three-port beam splitter grating is described in this paper. The grating includes two dielectric layers and a metal slab on the substrate, where incident waves are reflected into the zeroth-order and the ± first-order with polarization-independent property. With the optimized grating profile, reflection efficiencies’ ratios between the first-order and the zeroth-order can reach 0.998 and 1.001 for TE and TM polarizations, respectively. Especially, the reflection grating can diffract efficiencies more than 30% into the ± first-order and the zeroth-or

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43

Matejic, Marjan, Igor Milovanovic, and Emina Milovanovic. "Some remarks on the general zeroth-order Randic coindex." Filomat 36, no. 6 (2022): 2083–90. http://dx.doi.org/10.2298/fil2206083m.

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Let G = (V, E), V = {v1, v2,..., vn}, be a simple connected graph of order n and size m, without isolated vertices. Denote by d1 ? d2 ?... ? dn, di = d(vi) a sequence of vertex degrees of G. The general zeroth-order Randic index is defined as 0R?(G) = ?ni =1 d?i, where ? is an arbitrary real number. The corresponding general zeroth-order Randic coindex is defined via 0R??(G) = ?ni=1(n?1?di)d?i. Some new bounds for the general zeroth-order Randic coindex and relationship between 0R??(G?) and 0R???1(G?) are obtained. For a particular values of parameter ? a number of new bounds for different top

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44

Hikima, Yuya, and Akiko Takeda. "Zeroth-Order Methods for Nonconvex Stochastic Problems with Decision-Dependent Distributions." Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 16 (2025): 17195–203. https://doi.org/10.1609/aaai.v39i16.33890.

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In this study, we consider an optimization problem with uncertainty dependent on decision variables, which has recently attracted attention due to its importance in machine learning and pricing applications. In this problem, the gradient of the objective function cannot be obtained explicitly because the decision-dependent distribution is unknown. Therefore, several zeroth-order methods have been proposed, which obtain noisy objective values by sampling and update the iterates. Although these existing methods have theoretical convergence for optimization problems with decision-dependent uncert

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45

DESHMUKH, UMAKANT BHOOPATI. "Ignatovia, a new replacement name for Lazarenkoa Ignatov & Ignatova (Leskeaceae, Bryophyta)." Phytotaxa 497, no. 2 (2021): 173–74. http://dx.doi.org/10.11646/phytotaxa.497.2.11.

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A Bryophyte genus Lazarenkoa Ignatov & Ignatova (2019:227), family Leskeaceae Schimp.(1856:109) was described by Ignatov et al. (2019) on the basis of recent morphological and molecular results obtained by the plant species collected from region Primorsky Territory of Russia. Currently, genus Lazarenkoa Ignatov & Ignatova is monotypic having single species Lazarenkoa microphylla Ignatov & Ignatova (2019:227) and endemic to Russia. Unfortunately, this newly described Bryophyte genus Lazarenkoa Ignatov & Ignatova is a later homonym of Ukrainian Ascomycetes fungi genus Lazarenkoa

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46

Vetrik, Tomas, and Selvaraj Balachandran. "Zeroth-order general Randi´c index of trees." Boletim da Sociedade Paranaense de Matemática 40 (January 23, 2022): 1–9. http://dx.doi.org/10.5269/bspm.45062.

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Анотація:

Randi\'{c} indices belong to the most well-known topological indices. We study a very general index called the zeroth-order general Randi\'{c} index. We present upper and lower bounds on the zeroth-order general Randi\'{c} index for trees with given order and independence number, and for trees with given order and domination number. We also show that the bounds are best possible.

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47

Nelson, C. C., and D. T. Nguyen. "Analysis of Eccentric Annular Incompressible Seals: Part 1—A New Solution Using Fast Fourier Transforms for Determining Hydrodynamic Force." Journal of Tribology 110, no. 2 (1988): 354–59. http://dx.doi.org/10.1115/1.3261631.

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A new analysis procedure is presented which solves for the flow variables of an incompressible-flow annular pressure seal in which the rotor has a large static displacement from the centered position. The analysis begins with a set of governing equations based on a turbulent bulk-flow model and Moody’s friction equation. No simplification of these bulk-flow equations are required for the solution procedure. Perturbation of the flow variables yields a set of zeroth and first-order equations. The zeroth-order equations (which model the large static displacement) are integrated by means of an eff

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48

Shames, Iman, Daniel Selvaratnam, and Jonathan H. Manton. "Online Optimization Using Zeroth Order Oracles." IEEE Control Systems Letters 4, no. 1 (2020): 31–36. http://dx.doi.org/10.1109/lcsys.2019.2921593.

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49

Wilson, Stewart W. "ZCS: A Zeroth Level Classifier System." Evolutionary Computation 2, no. 1 (1994): 1–18. http://dx.doi.org/10.1162/evco.1994.2.1.1.

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Анотація:

A basic classifier system, ZCS, is presented that keeps much of Holland's original framework but simplifies it to increase understandability and performance. ZCS's relation to Q-learning is brought out, and their performances compared in environments of two difficulty levels. Extensions to ZCS are proposed for temporary memory, better action selection, more efficient use of the genetic algorithm, and more general classifier representation.

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50

Park, Jae-Hyun, Young-Ho Ryu, Jae-Gon Lee, and Jeong-Hae Lee. "Epsilon Negative Zeroth-Order Resonator Antenna." IEEE Transactions on Antennas and Propagation 55, no. 12 (2007): 3710–12. http://dx.doi.org/10.1109/tap.2007.910505.

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