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Artykuły w czasopismach na temat „Subdivision of stars”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Kudashkina, L. S., and I. L. Andronov. "Semiregular Variables: The Character of Variability and Possible Subdivision of the SRc Class." International Astronomical Union Colloquium 176 (2000): 119. http://dx.doi.org/10.1017/s0252921100057316.

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Krisnawati, Vira Hari, Anak Agung Gede Ngurah, Noor Hidayat, and Abdul Rouf Alghofari. "On the (Consecutively) Super Edge-Magic Deficiency of Subdivision of Double Stars." Journal of Mathematics 2020 (December 9, 2020): 1–16. http://dx.doi.org/10.1155/2020/4285238.

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Let G be a finite, simple, and undirected graph with vertex set V G and edge set E G . A super edge-magic labeling of G is a bijection f : V G ∪ E G ⟶ 1,2 , … , V G + E G such that f V G = 1,2 , … , V G and f u + f u v + f v is a constant for every edge u v ∈ E G . The super edge-magic labeling f of G is called consecutively super edge-magic if G is a bipartite graph with partite sets A and B such that f A = 1,2 , … , A and f B = A + 1 , A + 2 , … , V G . A graph that admits (consecutively) super edge-magic labeling is called a (consecutively) super edge-magic graph. The super edge-magic defic

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3

Stanghellini, Letizia. "Multiple shell Planetary Nebulae: Evolutionary paths and observed configurations." Symposium - International Astronomical Union 180 (1997): 319–24. http://dx.doi.org/10.1017/s0074180900131158.

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Recent observations of multiple shell planetary nebulae confirm the existing subdivision into two morphological types: attached halo and detached halo. The multiple shell phenomenon appears in about twenty-five percent of round and elliptical planetary nebulae of the Instituto de Astrofisica de Canarias morphological survey. The analysis of these nebulae together with that of their central stars lead to the interpretation that detached halo nebulae are formed through discontinuous mass loss at the Asymptotic Giant Branch tip. The attached halo nebulae, instead, are probably produced via dynami

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4

Carretta, Eugenio, Angela Bragaglia, Sara Lucatello, Raffaele G. Gratton, Valentina D’Orazi, and Antonio Sollima. "Aluminium abundances in five discrete stellar populations of the globular cluster NGC 2808." Astronomy & Astrophysics 615 (July 2018): A17. http://dx.doi.org/10.1051/0004-6361/201732324.

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We observed a sample of 90 red giant branch (RGB) stars in NGC 2808 using FLAMES/GIRAFFE and the high resolution grating with the set-up HR21. These stars have previous accurate atmospheric parameters and abundances of light elements. We derived aluminium abundances for them from the strong doublet Al i 8772–8773 Å as in previous works of our group. In addition, we were able to estimate the relative CN abundances for 89 of the stars from the strength of a large number of CN features. When adding self-consistent abundances from previous UVES spectra analysed by our team, we gathered [Al/Fe] rat

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5

STÖHR, SABINE. "Ophiuroid (Echinodermata) systematics—where do we come from, where do we stand and where should we go?*." Zoosymposia 7, no. 1 (2012): 147–62. http://dx.doi.org/10.11646/zoosymposia.7.1.14.

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Over 2,000 Recent species of brittle star are currently known. The most active period of species discovery was between 1850 and 1950, with an average rate of about 20 new species per year, but even today, an average of 7 species per year are described. The most prolific authors were R. Koehler, H.L. Clark, T. Lyman, T. Mortensen and C. Lütken. Early classifications divided the Ophiuroidea into Euryalida and Ophiurida. Matsumoto suggested in 1917 further subdivision, accepted by some authors, rejected by others. His classification is still the most comprehensive work available. A first modern

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6

Hadiputra, Fawwaz Fakhrurrozi, Mohammad Farhan, Mukayis Mukayis, Suhadi Wido Saputro, and Tita Khalis Maryati. "Local inclusive distance antimagic coloring of graphs." Indonesian Journal of Combinatorics 8, no. 1 (2024): 49. http://dx.doi.org/10.19184/ijc.2024.8.1.5.

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For a simple graph <em>G</em>, a bijection <em>f</em> : <em>V</em>(<em>G</em>) → [1,|<em>V</em> (<em>G</em>)|] is called as a <em>local inclusive distance antimagic</em> (<em>LIDA</em>) <em>labeling</em> of <em>G</em> if <em>w</em>(<em>u</em>) ≠ <em>w</em>(<em>v</em>) for every two adjacent vertices <em>u,v</em> ∈ <em>V</em>(<em>G</em>) with <em>w</em>(<em>u</em>) = ∑&l

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7

Moisoi, Nicoleta, Muriel Erent, Sheena Whyte, Stephen Martin, and Peter M. Bayley. "Calmodulin-containing substructures of the centrosomal matrix released by microtubule perturbation." Journal of Cell Science 115, no. 11 (2002): 2367–79. http://dx.doi.org/10.1242/jcs.115.11.2367.

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Calmodulin redistribution in MDCK and HeLa cells subjected to microtubule perturbations by antimitotic drugs was followed using a calmodulin-EGFP fusion protein that preserves the Ca2+ affinity, target binding and activation properties of native calmodulin. CaM-EGFP targeting to spindle structures in normal cell division and upon spindle microtubule disruption allows evaluation of the dynamic redistribution of calmodulin in cell division. Under progressive treatment of stably transfected mammalian cells with nocodazole or vinblastine, the centrosomal matrix at the mitotic poles subdivides into

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8

P, Sumathi, and Chandravadana N. "Lucas Antimagic Labeling of some Star Related Graphs." Indian Journal of Science and Technology 15, no. 46 (2022): 2542–47. https://doi.org/10.17485/IJST/v15i46.1862.

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Abstract <strong>Objective:</strong> To identify a new family of Lucas antimagic graph.<strong> Methods:</strong> A (p;q) graph G is said to be a Lucas antimagic graph if there exists a bijection f : E(G) ! fL1;L2; Lqg such that the induced injective function f : V(G) ! f1;2; : : :åLqg given by f (u) = åe2E(u) f (e) are all distinct (where E(u) is the set of edges incident to u). <strong>Findings:</strong> In this paper the Lucas Antimagic Labeling of Subdivision of star, Shadow graph of star, Splitting graph of star, Subdivision of Bistar, Shadow graph of

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9

C, Muthulakshmi @Sasikala, and Akil Nivetha A. "Exploring Mean Cordial Labeling Possible Combination Position of Vertices in Graphs: A Computational Approach." Indian Journal of Science and Technology 17, no. 39 (2024): 4111–18. https://doi.org/10.17485/IJST/v17i39.2915.

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Abstract <strong>Objectives:</strong> We have developed the Python module of mean cordial labeling for the different types of graphs, like Path, Cycle, and Subdivision of Star graphs. We aim to identify the number of combination positions of vertices that satisfy the mean cordial labeling rules. We have found mathematical equations that describe the labeling behavior in these graphs. <strong>Methods:</strong> In this paper, a Python program was developed to find the mean cordial labeling of the Path, Cycle, and Subdivision of the Star graph. We have obtained the number of combin

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10

R, Charishma, and Nageswari P. "Cordial Labeling of Subdivision of Central Edge of Bistar Graph and Spider Graph." Indian Journal of Science and Technology 16, no. 35 (2023): 2889–93. https://doi.org/10.17485/IJST/v16i35.679.

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Abstract <strong>Objectives:</strong> To analyse cordial labelling of subdivision of central edge of bistar graph and Spider graph. <strong>Methods:</strong> Cordial labeling is defined as a function g : V (q ) ! f0;1g in which each edge ab is assigned the label jg(a)􀀀g(b)j with the conditions vg(0)􀀀vg(1) 1 and eg(0)􀀀eg(1) 1 1 where v g ( 0 ) and v g ( 1 ) signify the number of vertices with 0’s and 1’s, similarly eg (0) and eg (1) signify the number of edges with 0’s and 1’s. <strong>Findings:</strong> In this paper, it is proved that subdivisi

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11

Hantzios, P. A., E. Kontizas, F. Pasian, A. Dapergolas, M. Kontizas, and R. Smareglia. "An Extended Scheme of Spectral Classification for Objective Prism Spectra." Symposium - International Astronomical Union 161 (1994): 255–57. http://dx.doi.org/10.1017/s0074180900047422.

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A spectral classification scheme has been developed for objective prism spectra of LMC stars, taken with the 1.2 m UK Schmidt Telescope in Australia. Various line ratios, discontinuities, and continuum intensities have been used as criteria. The scheme is a 2-D system (spectral type — luminosity class), and the criteria are given in graphical form. The typical accuracy of our scheme is 2 subdivisions of spectral type. Comparison of our types with those given by other authors for common stars yields a very good correlation with deviations within our accuracy.

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12

Aleksandrov, Mitko, David J. Heslop, and Sisi Zlatanova. "3D Indoor Environment Abstraction for Crowd Simulations in Complex Buildings." Buildings 11, no. 10 (2021): 445. http://dx.doi.org/10.3390/buildings11100445.

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This paper presents an approach for the automatic abstraction of built environments needed for pedestrian dynamics from any building configuration. The approach assesses the usability of navigation mesh to perform realistically pedestrian simulation considering the physical structure and pedestrian abilities for it. Several steps are examined including the creation of a navigation mesh, space subdivision, border extraction, height map identification, stairs classification and parametrisation, as well as pedestrian simulation. A social-force model is utilised to simulate the interactions betwee

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13

Diakité, A. A., S. Zlatanova, A. F. M. Alattas, and K. J. Li. "TOWARDS INDOORGML 2.0: UPDATES AND CASE STUDY ILLUSTRATIONS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B4-2020 (August 25, 2020): 337–44. http://dx.doi.org/10.5194/isprs-archives-xliii-b4-2020-337-2020.

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Abstract. Indoor environments differ from outdoor in many aspects. This, added to the limitations faced by other common standards for urban features reinforced the need of setting a dedicated standard for indoor applications. IndoorGML was born in this context to provide the basic concepts, data models, and standard that meet the requirements of indoor spatial applications. Indoor spatial information can be generally classified into two categories: indoor objects such as architectural components (walls, stairs, slabs) and interior facilities (furniture); indoor spaces such as cavities (rooms a

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14

Stares, J. C., R. M. Rideout, M. J. Morgan, and J. Brattey. "Did population collapse influence individual fecundity of Northwest Atlantic cod?" ICES Journal of Marine Science 64, no. 7 (2007): 1338–47. http://dx.doi.org/10.1093/icesjms/fsm127.

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Abstract Stares, J. C., Rideout, R. M., Morgan, M. J., and Brattey, J. 2007. Did population collapse influence individual fecundity of Northwest Atlantic cod? – ICES Journal of Marine Science, 64:1338 –1347. We examined the influence of population collapse on individual potential fecundity and total population egg production (TEP) of three northwest Atlantic cod (Gadus morhua) populations: northern cod (Divisions 2J3KL), southern Grand Bank cod (NAFO Divisions 3NO), and southern Newfoundland cod (Subdivision 3Ps). Fecundity at length increased in conjunction with population collapse for two (3

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15

Kim, Taehoon, Kyoung-Sook Kim, and Ki-Joune Li. "Improving Room-Level Location for Indoor Trajectory Tracking with Low IPS Accuracy." ISPRS International Journal of Geo-Information 10, no. 9 (2021): 620. http://dx.doi.org/10.3390/ijgi10090620.

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With the development of indoor positioning methods, such as Wi-Fi positioning, geomagnetic sensor positioning, Ultra-Wideband positioning, and pedestrian dead reckoning, the area of location-based services (LBS) is expanding from outdoor to indoor spaces. LBS refers to the geographic location information of moving objects to provide the desired services. Most Wi-Fi-based indoor positioning methods provide two-dimensional (2D) or three-dimensional (3D) coordinates in 1–5 m of accuracy on average approximately. However, many applications of indoor LBS are targeted to specific spaces such as room

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16

Gerdjikov, Ianko, Alexandre Kounov, Anna Lazarova, Stoyan Georgiev, and Dian Vangelov. "Lower Paleozoic low-grade metamorphic units from the Central Balkan Zone, Bulgaria: tectonic relationships, framework and geodynamic significance." Geologica Balcanica 52, no. 1 (2023): 65–86. https://doi.org/10.52321/GeolBalc.52.1.65.

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The Central Balkan Zone belongs to the north-vergent fold-and-thrust belt of the Alpine Balkan orogen. In this zone, pre-Permian low-grade rocks, metamorphosed during the Variscan orogeny, were later reworked at two main stages of the Alpine compressional tectonics. Several tectono-stratigraphic subdivisions of these metamorphic rocks were previously presented, based on a purely stratigraphic approach in the absence of detailed structural studies and, most importantly, of reliable paleontological and geochronological records. In this study, we propose a new framework of the low-grade metamorph

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17

Ritter, Scott M., James E. Barrick, and M. Randall Skinner. "Conodont sequence biostratigraphy of the Hermosa Group (Pennsylvanian) at Honaker Trail, Paradox Basin, Utah." Journal of Paleontology 76, no. 3 (2002): 495–517. http://dx.doi.org/10.1017/s0022336000037331.

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In cyclical Pennsylvanian strata, conodonts find their greatest stratigraphic utility as biotic signatures of physically defined stratigraphic entities (cycles, parasequences, high frequency sequences, etc.) rather then the primary means of stratigraphic subdivision (e.g., biostratigraphic interval zones). The practice of identifying depositional entities for purposes of regional correlation on the basis of their constituent conodont faunas is herein called conodont sequence biostratigraphy. In this paper, the concept is utilized to successfully correlate Pennsylvanian cycles of the Paradox ba

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18

Giometto, M. G., G. G. Katul, J. Fang, and M. B. Parlange. "Direct numerical simulation of turbulent slope flows up to Grashof number." Journal of Fluid Mechanics 829 (September 22, 2017): 589–620. http://dx.doi.org/10.1017/jfm.2017.372.

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Stably stratified turbulent flows over an unbounded, smooth, planar sloping surface at high Grashof numbers are examined using direct numerical simulations (DNS). Four sloping angles ($\unicode[STIX]{x1D6FC}=15^{\circ },30^{\circ },60^{\circ }$ and $90^{\circ }$) and three Grashof numbers ($\mathit{Gr}=5\times 10^{10},1\times 10^{11}$ and $2.1\times 10^{11}$) are considered. Variations in mean flow, second-order statistics and budgets of mean- (MKE) and turbulent-kinetic energy (TKE) are evaluated as a function of $\unicode[STIX]{x1D6FC}$ and $Gr$ at fixed molecular Prandtl number $(Pr=1)$. Dy

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19

A.Raheem. "Edge Antimagic Total Labeling of Graphs." November 30, 2015. https://doi.org/10.5281/zenodo.826727.

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20

Luongo, E., V. Ripepi, M. Marconi, et al. "An `alien' called the Oosterhoff dichotomy?" Astronomy & Astrophysics, September 24, 2024. http://dx.doi.org/10.1051/0004-6361/202451596.

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In this Letter we investigate the origin of the Oosterhoff dichotomy in light of recent discoveries related to several ancient merging events of external galaxies with the Milky Way (MW). In particular, we aim to clarify if the subdivision in terms of the Oosterhoff type between Galactic globular clusters (GGCs) and field RR Lyrae (RRLs) can be traced back to one or more ancient galaxies that merged with the MW in its past. We first explored the association of GGCs with the past merging events according to different literature studies. Subsequently, we compiled the positions, proper motions, a

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Numan, Muhammad, Aamra Nawaz, Adnan Aslam, and Saad Ihsan Butt. "Hosoya Polynomial for Subdivided Caterpillar Graphs." Combinatorial Chemistry & High Throughput Screening 23 (December 11, 2020). http://dx.doi.org/10.2174/1386207323666201211094406.

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Background: Computing Hosoya polynomial for the graph associated with the chemical compound plays a vital role in the field of chemistry. From Hosoya polynomial, it is easy to compute Weiner index(Weiner number) and Hyper Weiner index of the underlying molecular structure. The Wiener number enables the identifying of three basic features of molecular topology: branching, cyclicity, and centricity (or centrality) and their specific patterns, which are well reflected by the physicochemical properties of chemical compounds. Caterpillar trees have been used in chemical graph theory to represent th

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R.Ponraj and M.Sivakumar. "On Mean Cordial Graphs." July 30, 2013. https://doi.org/10.5281/zenodo.824983.

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Chimani, Markus, Martina Juhnke, and Alexander Nover. "On the Dominant of the Multicut Polytope." Discrete & Computational Geometry, June 4, 2024. http://dx.doi.org/10.1007/s00454-024-00646-w.

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AbstractGiven a graph $$G=(V,E)$$ G = ( V , E ) and a set $$S \subseteq \left( {\begin{array}{c}V\\ 2\end{array}}\right) $$ S ⊆ V 2 of terminal pairs, the minimum multicut problem asks for a minimum edge set $$\delta \subseteq E$$ δ ⊆ E such that there is no s-t-path in $$G -\delta $$ G - δ for any $$\{s,t\}\in S$$ { s , t } ∈ S . For $$|S|=1$$ | S | = 1 this is the well known s-t-cut problem, but in general the minimum multicut problem is NP-complete, even if the input graph is a tree. The multicut polytope $$\textsc {MultC}^\square (G,S)$$ M U L T C □ ( G , S ) is the convex hull of all mult

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24

Wilson, Eric. ""The dangerous classes": Hugo Grotius and seventeenth-century piracy as a primitive anti-systemic movement." Journal of Philosophical Economics Volume IV Issue 1 (November 20, 2010). http://dx.doi.org/10.46298/jpe.10607.

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This essay discusses the historical and textual representations of piracy in the writings of Hugo Grotius, primarily De Indis/De iure praedae (1603-1608) and the Commentarius in Theses XI (c. 1600). Contrary to popular belief, Grotius, in stark contrast to Jean Bodin, was not an advocate of the constitutionally homogenous Nation-State. Rather, his central concept of divisible sovereignty, the lynchpin of the constitutional theory of his early writings, unambiguously presents us with the object of the heterogeneous State. In Grotian theory, the State may be "read" as a composite construction, w

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