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Methods of representation theory in linear algebra

Grant number: 12/18139-2
Support Opportunities:Research Grants - Visiting Researcher Grant - International
Start date: February 01, 2013
End date: January 31, 2014
Field of knowledge:Physical Sciences and Mathematics - Mathematics - Algebra
Principal Investigator:Vyacheslav Futorny
Grantee:Vyacheslav Futorny
Visiting researcher: Vladimir Sergeichuk
Visiting researcher institution: National Academy of Sciences of Ukraine (NASU), Ukraine
Host Institution: Instituto de Matemática e Estatística (IME). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:10/50347-9 - Algebras, representations e applications, AP.TEM

Abstract

We plan to address classification problems of systems of forms and linear mappings considering them as representations of mixed graphs, and systems of linear and semilinear mappings on linear or unitary spaces considering them as representations of biquivers. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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Scientific publications (6)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DMYTRYSHYN, ANDRII; FUTORNY, VYACHESLAV; SERGEICHUK, VLADIMIR V.. Miniversal deformations of matrices under {*}congruence and reducing transformations. Linear Algebra and its Applications, v. 446, p. 388-420, . (10/50347-9, 10/07278-6, 12/18139-2)
DMYTRYSHYN, ANDRII; KAGSTROM, BO; SERGEICHUK, VLADIMIR V.. SYMMETRIC MATRIX PENCILS: CODIMENSION COUNTS AND THE SOLUTION OF A PAIR OF MATRIX EQUATIONS. ELECTRONIC JOURNAL OF LINEAR ALGEBRA, v. 27, p. 1-18, . (12/18139-2)
FUTORNY, VYACHESLAV; RYBALKINA, TETIANA; SERGEICHUK, VLADIMIR V.. Regularizing decompositions for matrix pencils and a topological classification of pairs of linear mappings. Linear Algebra and its Applications, v. 450, p. 121-137, . (10/50347-9, 12/18139-2)
RYBALKINA, T. V.; SERGEICHUK, V. V.. Topological Classification of the Oriented Cycles of Linear Mappings. UKRAINIAN MATHEMATICAL JOURNAL, v. 66, n. 10, p. 1575-1581, . (12/18139-2)
DMYTRYSHYN, ANDRII; FUTORNY, VYACHESLAV; SERGEICHUK, VLADIMIR V.. Miniversal deformations of matrices under *congruence and reducing transformations. Linear Algebra and its Applications, v. 446, p. 33-pg., . (10/50347-9, 12/18139-2, 10/07278-6)
DMYTRYSHYN, ANDRII; FUTORNY, VYACHESLAV; KAGSTROM, BO; KLIMENKO, LENA; SERGEICHUK, VLADIMIR V.. Change of the congruence canonical form of 2-by-2 and 3-by-3 matrices under perturbations and bundles of matrices under congruence. Linear Algebra and its Applications, v. 469, p. 305-334, . (10/50347-9, 12/18139-2)