Results 21 to 30 of about 410,090 (251)

Research and Implementation of Hungarian Method Based on the Structure Index Reduction for DAE Systems

open access: yesJournal of Algorithms & Computational Technology, 2014
Hungarian method is a classical method for solving assignment problems. It also can be widely used in other problems, such as matching problem. This paper researches its application on using structural index reduction method to solve high-index DAEs ...
Yan Zeng, Xuesong Wu, Jianwen Cao
doaj   +1 more source

The coefficients of transitivity of the posets of MM-type being the highest supercritical poset

open access: yesНауковий вісник Ужгородського університету. Серія: Математика і інформатика, 2022
The representations of partially ordered sets (abbreviated as posets), introduced by L. A. Nazarova and A. V. Roiter (in matrix form) in 1972, play an important role in the modern representation theory. In his first paper on this topic M. M.
В. М. Бондаренко   +2 more
doaj   +1 more source

Positional Games [PDF]

open access: yes, 2014
Positional games are a branch of combinatorics, researching a variety of two-player games, ranging from popular recreational games such as Tic-Tac-Toe and Hex, to purely abstract games played on graphs and hypergraphs.
Krivelevich, Michael
core   +1 more source

Comitative inter-state communication: linguoideological analysis of coordinative vs. subordinate relations between Germany and Turkey in the newspaper narrative on the migration crisis in the European union [PDF]

open access: yesАктуальные проблемы филологии и педагогической лингвистики, 2018
The article deals with the extrapolation of the comitative concept into the area of the critical discourse analysis. In сommunication the comitative seme “Joint Action” is supplemented by various (coordinative and subordinate) connotations, which are ...
Milostivaya Alexandra I.
doaj   +1 more source

Measure Recognition Problem [PDF]

open access: yes, 2006
This is an article in mathematics, specifically in set theory. On the example of the Measure Recognition Problem (MRP) the article highlights the phenomenon of the utility of a multidisciplinary mathematical approach to a single mathematical problem, in ...
Cantor G   +4 more
core   +2 more sources

Quantitative invertibility of random matrices: a combinatorial perspective

open access: yesDiscrete Analysis, 2021
Quantitative invertibility of random matrices: a combinatorial perspective, Discrete Analysis 2021:10, 38 pp. This paper concerns the general and much studied question of how likely a large random real or complex square matrix is to be invertible, and ...
Vishesh Jain
doaj   +1 more source

Multivariate Boundaries of a Self Representing Stratum of Large Units in Agricultural Survey Design

open access: yesSurvey Research Methods, 2012
In business surveys in general, and in multipurpose agricultural surveys in particular, the problem of designing a sample from a list frame usually consists of two different aspects.
Roberto Benedetti, Federica Piersimoni
doaj   +1 more source

Combinatorial Correlation Clustering [PDF]

open access: yesSymposium on the Theory of Computing
Correlation Clustering is a classic clustering objective arising in numerous machine learning and data mining applications. Given a graph G=(V,E), the goal is to partition the vertex set into clusters so as to minimize the number of edges between ...
Vincent Cohen-Addad   +5 more
semanticscholar   +1 more source

Applications of Cohomology to Set Theory I: Hausdorff Gaps [PDF]

open access: yesAnnals of Pure and Applied Logic, 1993
We explore an application of homological algebra to set theoretic objects by developing a cohomology theory for Hausdorff gaps. The cohomology theory is introduced with enough generality to be applicable to other questions in set theory.
Daniel E. Talayco
semanticscholar   +1 more source

THE ANALYSIS OF IMAGES OF A CIRCULAR SOURCE IN N-POINT GRAVITATIONAL LENSES

open access: yesOdessa Astronomical Publications, 2018
Currently, in the field of computer processing, there are difficulties. When processing astrophysical experimental data, the difficulties are connected, on the one hand, with a large amount of information that requires processing, and, on the other hand,
S. D. Bronza   +2 more
doaj   +1 more source

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