Academic literature on the topic 'Weakly decomposition'

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Journal articles on the topic "Weakly decomposition"

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Hernandez, Bryan, Deza Amistas, Ralph John De la Cruz, Lauro Fontanil, Aurelio de los Reyes, and Eduardo Mendoza. "Independent, Incidence Independent and Weakly Reversible Decompositions of Chemical Reaction Networks." MATCH Communications in Mathematical and in Computer Chemistry 87, no. 2 (2021): 367–96. http://dx.doi.org/10.46793/match.87-2.367h.

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Chemical reaction networks (CRNs) are directed graphs with reactant or product complexes as vertices, and reactions as arcs. A CRN is weakly reversible if each of its connected components is strongly connected. Weakly reversible networks can be considered as the most important class of reaction networks. Now, the stoichiometric subspace of a network is the linear span of the reaction vectors (i.e., difference between the product and the reactant complexes). A decomposition of a CRN is independent (incidence independent) if the direct sum of the stoichiometric subspaces (incidence maps) of the
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Cariello, Daniel. "Separability for weakly irreducible matrices." Quantum Information and Computation 14, no. 15&16 (2014): 1308–37. http://dx.doi.org/10.26421/qic14.15-16-4.

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This paper is devoted to the study of the separability problem in the field of Quantum information theory. We focus on the bipartite finite dimensional case and on two types of matrices: SPC and PPT matrices (see definitions 32 and 33). We prove that many results hold for both types. If these matrices have specific Hermitian Schmidt decompositions then they are separable in a very strong sense (see theorem 38 and corollary 39). We prove that both types have what we call \textbf{split decompositions} (see theorems 41 and 42). We also define the notion of weakly irreducible matrix (see definitio
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Jain, S. K., and S. R. López-Permouth. "Weakly-injective modules over hereditary noetherian prime rings." Journal of the Australian Mathematical Society. Series A. Pure Mathematics and Statistics 58, no. 3 (1995): 287–97. http://dx.doi.org/10.1017/s1446788700038325.

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AbstractA module M is said to be wealdy-injective if and only if for every finitely generated submodule N of the injective hull E(M) of M there exists a submodule X of E(M), isomorphic to M such that N ⊂ X. In this paper we investigate weakly-injective modules over bounded hereditary noetherian prime rings. In particular we show that torsion-free modules over bounded hnp rings are always wealdy-injective, while torsion modules with finite Goldie dimension are weakly-injective only if they are injective.As an application, we show that weakly-injective modules over bounded Dedekind prime rings h
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Caldas, Miguel, and Saeid Jafari. "A decomposition of $\boldsymbol{\delta}$-open functions." Sarajevo Journal of Mathematics 11, no. 2 (2024): 267–71. http://dx.doi.org/10.5644/sjm.11.2.12.

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In 2008, M. Caldas and G. Navalagi introduced a new class of generalized open functions called weakly $\delta$-open functions. By introducing a new type of open functions called relatively weakly $\delta$-open together with weakly $\delta$-open functions, we establish a new decomposition of $\delta$-open functions. 2010 Mathematics Subject Classification. 54A40, 54C10, 54D10; Secondary: 54C08
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Khare, Mona, and Bhawna Singh. "Weakly tight functions and their decomposition." International Journal of Mathematics and Mathematical Sciences 2005, no. 18 (2005): 2991–98. http://dx.doi.org/10.1155/ijmms.2005.2991.

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The present paper deals with the study of a weakly tight function and its relation to tight functions. We obtain a Jordan-decomposition-type theorem for a locally bounded weakly tight real-valued function defined on a sublattice ofIX, followed by the notion of a total variation.
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Mihai, Talmaciu, and Nechita Elena. "BRAIN Journal - Optimization Problems on Threshold Graphs." Brain Journal 1, SPECIAL ISSUE ON COMPLEXITY IN SCIENCES AND ARTIFICIAL INTELLIGENCE (2010): 61–68. https://doi.org/10.5281/zenodo.1036727.

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ABSTRACT During the last three decades, different types of decompositions have been processed in the field of graph theory. Among these we mention: decompositions based on the additivity of some characteristics of the graph, decompositions where the adjacency law between the subsets of the partition is known, decompositions where the subgraph induced by every subset of the partition must have predeterminate properties, as well as combinations of such decompositions. In this paper we characterize threshold graphs using the weakly decomposition, determine: density and stability number, Wiener in
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Chen, Bang-Yen, Uday de, and Fatemah Mofarreh. "Study of weakly Ricci-symmetric spacetimes under gray’s decomposition and f (R,T)-gravity." Filomat 36, no. 7 (2022): 2391–401. http://dx.doi.org/10.2298/fil2207391c.

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In this paper we characterize weakly Ricci-symmetric spacetimes (WRS)n endowed with the Gray?s Decomposition. We provide, several interesting results of (WRS)n in Gray?s Decomposition. In addition we discuss some results based on weakly Ricci-symmetric Generalized Robertson Walker (GRW) spacetimes. Moreover, we study (WRS)n spacetimes which satisfy the f (R, T)-gravity equation.
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Talmaciu, Mihai, and Elena Nechita. "On Polar, Trivially Perfect Graphs." International Journal of Computers Communications & Control 5, no. 5 (2010): 939. http://dx.doi.org/10.15837/ijccc.2010.5.2257.

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<p>During the last decades, different types of decompositions have been processed in the field of graph theory. In various problems, for example in the construction of recognition algorithms, frequently appears the so-called weakly decomposition of graphs.<br />Polar graphs are a natural extension of some classes of graphs like bipartite graphs, split graphs and complements of bipartite graphs. Recognizing a polar graph is known to be NP-complete. For this class of graphs, polynomial algorithms for the maximum stable set problem are unknown and algorithms for the dominating set pro
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Singh Khurana, Surjit. "A decomposition of bounded, weakly measurable functions." Tatra Mountains Mathematical Publications 49, no. 1 (2011): 67–70. http://dx.doi.org/10.2478/v10127-011-0025-1.

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ABSTRACT Let (X,A,μ) be a complete probability space, ρ a lifting, Tρ the associated Hausdorff lifting topology on X and E a Banach space. Suppose F: (X,Tρ)-> E”σ be a bounded continuous mapping. It is proved that there is an A ∈ A such that FXA has range in a closed separable subspace of E (so FXA:X → E is strongly measurable) and for any B ∈ A with μ(B) > 0 and B ∩ A = ø, FXB cannot be weakly equivalent to a E-valued strongly measurable function. Some known results are obtained as corollaries.
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Michel, Joachim, and Mei-Chi Shaw. "A decomposition problem on weakly pseudoconvex domains." Mathematische Zeitschrift 230, no. 1 (1999): 1–19. http://dx.doi.org/10.1007/pl00004685.

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Dissertations / Theses on the topic "Weakly decomposition"

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Stalvey, Harrison. "Weak Primary Decomposition of Modules Over a Commutative Ring." Digital Archive @ GSU, 2010. http://digitalarchive.gsu.edu/math_theses/84.

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This paper presents the theory of weak primary decomposition of modules over a commutative ring. A generalization of the classic well-known theory of primary decomposition, weak primary decomposition is a consequence of the notions of weakly associated prime ideals and nearly nilpotent elements, which were introduced by N. Bourbaki. We begin by discussing basic facts about classic primary decomposition. Then we prove the results on weak primary decomposition, which are parallel to the classic case. Lastly, we define and generalize the Compatibility property of primary decomposition.
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Hawkins, Jeffrey Thomas 1977. "A Langrangian decomposition approach to weakly coupled dynamic optimization problems and its applications." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/29599.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, Operations Research Center, 2003.<br>Includes bibliographical references (p. 187-192).<br>We present a Lagrangian based approach to decoupling weakly coupled dynamic optimization problems for both finite and infinite horizon problems. The main contributions of this dissertation are: (i) We develop methods for obtaining bounds on the optimal cost based on solving low dimensional dynamic programs; (ii) We utilize the resulting low dimensional dynamic programs and combine them using integer programming methods to
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Ribera, Puchades Juan Miguel. "Atomic decompositions and frames in Fréchet spaces and their duals." Doctoral thesis, Universitat Politècnica de València, 2015. http://hdl.handle.net/10251/49987.

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[EN] The Ph.D. Thesis "Atomic decompositions and frames in Fréchet spaces and their duals" presented here treats different areas of functional analysis with applications. Schauder frames are used to represent an arbitrary element x of a function space E as a series expansion involving a fixed countable set {xj} of elements in that space such that the coefficients of the expansion of x depend in a linear and continuous way on x. Unlike Schauder bases, the expression of an element x in terms of the sequence {xj}, i.e. the reconstruction formula for x, is not necessarily unique. Atomic decomposi
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Wardle, Mason B. "A PAM Decomposition of Weak CPM." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd868.pdf.

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Perone, Marco. "Direct sum decompositions and weak Krull-Schmidt Theorems." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3427427.

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In this thesis we discuss the behaviour of direct sum decomposition in additive categories and in particular in categories of modules. In the first part of the thesis, we investigate the ring theoretical properties that play a main role in the theory of factorization in additive categories, like the exchange property, semilocality and Goldie dimension. We stress the importance of the latter and we investigate with care the infinite case of the dual Goldie dimension of rings. In the rest of the thesis, we use a more categorical approach, studying the behaviour of direct sum decomposition
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Campanini, Federico. "Weak forms of the Krull-Schmidt theorem and Prüfer rings in distinguished constructions." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3422693.

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This thesis is divided in two chapters. The first one concerns direct-sum decompositions in additive categories. It is well known that if a module admits a direct-sum decomposition into indecomposable modules with local endomorphism rings, then this decomposition is essentially unique, up to isomorphism and a permutation of the direct summands. However, there are situations in which direct-sum decompositions into indecomposable modules are not essentially unique. Among these cases, particularly interesting are those in which it is possible to find some kind of regularity: direct-sum decomposi
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Jalboub, Mohamed K. "Investigation of the application of UPFC controllers for weak bus systems subjected to fault conditions. An investigation of the behaviour of a UPFC controller: the voltage stability and power transfer capability of the network and the effect of the position of unsymmetrical fault conditions." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5699.

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In order to identify the weakest bus in a power system so that the Unified Power Flow Controller could be connected, an investigation of static and dynamic voltage stability is presented. Two stability indices, static and dynamic, have been proposed in the thesis. Multi-Input Multi-Output (MIMO) analysis has been used for the dynamic stability analysis. Results based on the Western System Coordinate Council (WSCC) 3-machine, 9-bus test system and IEEE 14 bus Reliability Test System (RTS) shows that these indices detect with the degree of accuracy the weakest bus, the weakest line and the volta
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Jalboub, Mohamed. "Investigation of the application of UPFC controllers for weak bus systems subjected to fault conditions : an investigation of the behaviour of a UPFC controller : the voltage stability and power transfer capability of the network and the effect of the position of unsymmetrical fault conditions." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5699.

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In order to identify the weakest bus in a power system so that the Unified Power Flow Controller could be connected, an investigation of static and dynamic voltage stability is presented. Two stability indices, static and dynamic, have been proposed in the thesis. Multi-Input Multi-Output (MIMO) analysis has been used for the dynamic stability analysis. Results based on the Western System Coordinate Council (WSCC) 3-machine, 9-bus test system and IEEE 14 bus Reliability Test System (RTS) shows that these indices detect with the degree of accuracy the weakest bus, the weakest line and the volta
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Yang, Ming 1984. "On Partial and Generic Uniqueness of Block Term Tensor Decomposition in Signal Processing." Thesis, 2012. http://hdl.handle.net/1969.1/148351.

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In this dissertation, we study the partial and generic uniqueness of block term tensor decompositions in signal processing. We present several conditions for generic uniqueness of tensor decompositions of multilinear rank (1, L1, L1), ..., (1, LR, LR) terms. Our proof is based on algebraic geometric methods. Mathematical preliminaries for this dissertation are multilinear algebra, and classical algebraic geometry. In geometric language, we prove that the joins of relevant subspace varieties are not tangentially weakly defective. We also give conditions for partial uniqueness of block term ten
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Ghara, Soumitra. "Decomposition of the tensor product of Hilbert modules via the jet construction and weakly homogeneous operators." Thesis, 2018. https://etd.iisc.ac.in/handle/2005/4909.

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Let ­½ Cm be a bounded domain and K :­£­!C be a sesqui-analytic function. We show that if ®,¯ È 0 be such that the functions K® and K¯, defined on ­£­, are non-negative definite kernels, then theMm(C) valued function K(®,¯)(z,w) :Æ K®Å¯(z,w) ³ ¡ @i¯@ j logK ¢ (z,w) ´m i , jÆ1 , z,w 2­, is also a non-negative definite kernel on ­£­. Then a realization of the Hilbert space (H,K(®,¯)) determined by the kernel K(®,¯) in terms of the tensor product (H,K®)­(H,K¯) is obtained. For two reproducing kernel Hilbert modules (H,K1) and (H,K2), let An, n ¸ 0, be the submodule of the Hilbert mo
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Book chapters on the topic "Weakly decomposition"

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Lange, Ridgley, and Sheng Wang Wang. "Chapter III: Weakly Decomposable Operators and Automatic Continuity." In New Approaches in Spectral Decomposition. American Mathematical Society, 1992. http://dx.doi.org/10.1090/conm/128/03.

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Haritha, K. M., K. G. Sreeni, Joseph Zacharias, and R. S. Jeena. "Structure-Texture Decomposition-Based Enhancement Framework for Weakly Illuminated Images." In Communications in Computer and Information Science. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11346-8_21.

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Otánal, Antonín. "Spectrum Decomposition for Stationary Weakly Isotropic Random Fields in the Plane." In Transactions of the Tenth Prague Conference on Information Theory, Statistical Decision Functions, Random Processes. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-010-9913-4_28.

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Axelsson, Andreas, and Alan McIntosh. "Hodge Decompositions on Weakly Lipschitz Domains." In Advances in Analysis and Geometry. Birkhäuser Basel, 2004. http://dx.doi.org/10.1007/978-3-0348-7838-8_1.

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Chen, Hui, and Jin-Ming Lin. "Ultra-Weak Chemiluminescence from Decomposition of Peroxomonosulfate." In Ultra-Weak Chemiluminescence. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-64841-4_5.

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Chen, Hui, and Jin-Ming Lin. "Ultra-Weak Chemiluminescence from Decomposition of Peroxynitrous/Peroxynitrite." In Ultra-Weak Chemiluminescence. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-64841-4_3.

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Chen, Hui, Syed Niaz Ali Shah, and Jin-Ming Lin. "Ultra-Weak Chemiluminescence from the Decomposition of Peroxymonocarbonate." In Ultra-Weak Chemiluminescence. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-64841-4_2.

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Luttik, Bas. "Unique Parallel Decomposition in Branching and Weak Bisimulation Semantics." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33475-7_18.

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Gmitro, M., J. Kvasil, and J. Řizek. "Continuity-Equation Constraint and the Non-Uniqueness of the Vector Potential Decompositions." In Weak and Electromagnetic Interactions in Nuclei. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-71689-8_11.

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Berrone, Stefano, and Tommaso Vanzan. "Weak Scalability of Domain Decomposition Methods for Discrete Fracture Networks." In Lecture Notes in Computational Science and Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-50769-4_5.

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Conference papers on the topic "Weakly decomposition"

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Yang, Zhiwei, Kexue Fu, Minghong Duan, Linhao Qu, Shuo Wang, and Zhijian Song. "Separate and Conquer: Decoupling Co-occurrence via Decomposition and Representation for Weakly Supervised Semantic Segmentation." In 2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2024. http://dx.doi.org/10.1109/cvpr52733.2024.00346.

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Tunnicliffe, M., N. Stead, C. Thompson, and D. Singbeil. "Unexpected Corrosion of a Nickel-base Alloy in Acid Refiner Environments: a Mill Case Study." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05559.

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Abstract The repeated failures of a wear sleeve in a primary refiner processing hardwood chips for bleached chemithermomechanical pulp (BCTMP) high-yield pulp is costly, and required scheduling for maintenance and replacement. Nickel-chromium thermal sprays can be used to protect wear sleeves in this environment because of their resistance to abrasion and aqueous corrosion. The formation of acetic or sulphuric acids within the refining zone was suspected as a corrodant due to naturally occurring acetyl groups during the pulping process, or from decomposition of residual sulphite impregnation l
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Wolfson, Tomer, Daniel Deutch, and Jonathan Berant. "Weakly Supervised Text-to-SQL Parsing through Question Decomposition." In Findings of the Association for Computational Linguistics: NAACL 2022. Association for Computational Linguistics, 2022. http://dx.doi.org/10.18653/v1/2022.findings-naacl.193.

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Abousamra, Shahira, Danielle Fassler, Le Hou, et al. "Weakly-Supervised Deep Stain Decomposition for Multiplex IHC Images." In 2020 IEEE 17th International Symposium on Biomedical Imaging (ISBI). IEEE, 2020. http://dx.doi.org/10.1109/isbi45749.2020.9098652.

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Bloot, R., J. Schleicher, L. T. Santos, and J. C. Costa. "On the Helmholtz Decomposition in Weakly Anisotropic VTI Media." In 75th EAGE Conference and Exhibition incorporating SPE EUROPEC 2013. EAGE Publications BV, 2013. http://dx.doi.org/10.3997/2214-4609.20130714.

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Rungamornrat, Jaroon, Mary F. Wheeler, and Xiuli Gai. "Weakly-Singular Integral Equations for Steady State Flow in Anisotropic Porous Media Containing Discontinuity Surfaces." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80299.

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In this paper, we present the development of the weakly-singular, weak-form fluid pressure and fluid flux integral equations for steady state Darcy’s flow in porous media. The integral equation for fluid flux is required for the treatment of flow in a domain which contains surfaces of discontinuities (e.g. cracks and impermeable surfaces), since the pressure integral equation contains insufficient information about the fluid flux on the surface of discontinuity. In this work, a systematic technique has been established to regularize the conventional fluid pressure and fluid flux integral equat
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Xiao, Weiqiang, Xiaoli Chai, and Danmo Zhang. "Research on manifold nonnegative matrix decomposition algorithm for weakly supervised text classification." In International Conference on Artificial Intelligence, Virtual Reality, and Visualization (AIVRV 2022), edited by Yuanchang Zhong and Chuanjun Zhao. SPIE, 2023. http://dx.doi.org/10.1117/12.2667485.

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Li, Mengze, Han Wang, Wenqiao Zhang, et al. "WINNER: Weakly-supervised hIerarchical decompositioN and aligNment for spatio-tEmporal video gRounding." In 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2023. http://dx.doi.org/10.1109/cvpr52729.2023.02211.

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Chen, Bin, and Jinjin Li. "On Weakly Fuzzy Semi-I-open Sets and a Decomposition of Fuzzy Continuity." In 2010 International Conference of Information Science and Management Engineering. IEEE, 2010. http://dx.doi.org/10.1109/isme.2010.53.

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Chaudhari, Harshal, Rishikesh Kulkarni, and M. K. Bhuyan. "Weakly Supervised Learning-based Reconstruction of Planktons in Digital In-line Holography." In Digital Holography and Three-Dimensional Imaging. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/dh.2022.w5a.6.

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Weakly-supervised learning-based technique is employed for hologram reconstruction of planktons recorded in digital in-line holographic setup. One-level wavelet decomposition of the reconstructed image is computed to generate a mask and subsequently a ground truth image to train the network.
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Reports on the topic "Weakly decomposition"

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Chefetz, Benny, and Baoshan Xing. Sorption of hydrophobic pesticides to aliphatic components of soil organic matter. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7587241.bard.

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Sorption of hydrophobic compounds to aliphatic components of soil organic matter (SOM) is poorly understood even though these aliphatic carbons are a major fraction of SOM. The main source of aliphatic compounds in SOM is above- and below-ground plant cuticular materials (cutin, cutan and suberin). As decomposition proceeds, these aliphatic moieties tend to accumulate in soils. Therefore, if we consider that cuticular material contributes significantly to SOM, we can hypothesize that the cuticular materials play an important role in the sorption processes of hydrophobic compounds (including pe
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Alviarez, Vanessa, Peter Pedroni, Andrew Powell, and Ingri Katherine Quevedo Rocha. International versus Domestic Shocks and Pass-Through to Country Prices: A Heterogeneous VAR Approach. Inter-American Development Bank, 2025. https://doi.org/10.18235/0013406.

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This study investigates the disconnect between falling agricultural commodity prices and persistent food inflation by applying a Heterogeneous Vector Autoregression (VAR) model to a panel of 203 countries using data from 1961 to 2022. It analyzes the impact of global crops, fertilizer, and oil prices on domestic inflation and explores the asymmetries in the pass-through of global shocks. Results show that fertilizer price shocks significantly influence crop prices, especially maize and soybeans, while production shocks have a weaker effect. Demand-driven price changes exhibit higher pass-throu
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