Yusenko Kostyantyn

Iusenko Kostiantyn

Contact information

I am currently at
Institute of Mathematics and Statistics,
University of Sao Paulo,
Caixa Postal 66281
Sao Paulo-SP, Brazil

Research interests

Operator algebras, Representation theory, Moduli spaces.

Curriculum vitae


Articles and Preprints


  1. Kostiantyn Iusenko, Evan Wilson. Some remarks on Hall algebras of bound quivers. accepted.
  2. Vitalij M. Bondarenko, Vyacheslav Futorny, Tatiana Klimchuk, Vladimir V. Sergeichuk, Kostyantyn Yusenko. Systems of subspaces of a unitary space. Linear Algebra Appl. 438 (2013), no. 5, pp. 2561-2573. ArXiv
  3. Kostyantyn Yusenko, Thorsten Weist. Unitarizable representations of quivers. Algebr. Represent. Theory 16 (2013), no.5, pp. 1349-1383. ArXiv
  4. Futorny Vyacheslav, Samoilenko Yurii, Kostyantyn Yusenko. Representations of posets: Linear vs Unitary Journal of Physics: Conference Series, 346, 1, (2012), pp. 12006-12022, available at ArXiv.
  5. Samoilenko Yurii, Kostyantyn Yusenko. Kleiner's theorem for unitary representations of posets. Linear Algebra and Its Applications 437, Issue 2, (2012), pp. 581-588, available at ArXiv.
  6. Roman Grushevoy, Kostyantyn Yusenko. On the unitarization of linear representations of primitive partially ordered sets. Operator Theory: Advances and Applications 190, (2008), pp. 279-294. ArXiv
  7. Yu. P. Moskaleva, V. L. Ostrovskii, K. A. Yusenko. On quadruples of linearly connected projections and transitive systems of subspaces. Methods Funct. Anal. Topol. 13 (2007), no. 1, pp. 43--49. PDF
  8. Kostyantyn Yusenko. On quadruples of projections connected with linear relation. Ukr. Math. J. 58 (2006), no. 9, pp. 1289--1295. PDF
  9. Kostyantyn Yusenko. On existence of *-representations of certain algebras related to extended Dynkin graphs. Methods Funct. Anal. Topol. 12 (2006), no. 2, pp. 197--204. PDF


  1. Kostyantyn Yusenko, Thorsten Weist. Unitarizable representations of quivers. preprint, 22p. Preprint 2011:4, Chalmers University of Technology, also available here ArXiv
  2. Roman Grushevoy, Kostyantyn Yusenko. Unitarization of linear representations of non-primitive posets. preprint, 32p., Preprint 2010:35, Chalmers University of Technology, also available here ArXiv

In progress

  1. Vyacheslav Futorny, Thorsten Weist, Kostyantyn Yusenko. Gale duality and Coxeter functors for posets.
  2. Vladimir Sergeichuk, Kostyantyn Yusenko. Mixed representations of quivers.
  3. Danylo Yakimenko, Kostyantyn Yusenko. Stability of schurian representations of (N,4)-poset.


Research Visits

Recent visited conferences and shools

Future events



Some Notes of Given Talks

Organizered/coorganized learning seminars

Last update: 27.08.2012
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