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Brauer Configuration Algebras Induced by Integer Partitions and Their Applications in the Theory of Branched Coverings

Author

Listed:
  • Agustín Moreno Cañadas

    (Departamento de Matemáticas, Universidad Nacional de Colombia, Edificio Yu Takeuchi 404, Kra 30 No. 45-03, Bogotá 11001000, Colombia)

  • José Gregorio Rodríguez-Nieto

    (Departamento de Matemáticas, Universidad Nacional de Colombia, Kra 65 No. 59A-110, Medellín 050034, Colombia)

  • Olga Patricia Salazar Díaz

    (Departamento de Matemáticas, Universidad Nacional de Colombia, Kra 65 No. 59A-110, Medellín 050034, Colombia)

Abstract

Brauer configuration algebras are path algebras induced by appropriated multiset systems. Since their structures underlie combinatorial data, the general description of some of their algebraic invariants (e.g., their dimensions or the dimensions of their centers) is a hard problem. Integer partitions and compositions of a given integer number are examples of multiset systems which can be used to define Brauer configuration algebras. This paper gives formulas for the dimensions of Brauer configuration algebras (and their centers) induced by some integer partitions. As an application of these results, we give examples of Brauer configurations, which can be realized as branch data of suitable branched coverings over different surfaces.

Suggested Citation

  • Agustín Moreno Cañadas & José Gregorio Rodríguez-Nieto & Olga Patricia Salazar Díaz, 2024. "Brauer Configuration Algebras Induced by Integer Partitions and Their Applications in the Theory of Branched Coverings," Mathematics, MDPI, vol. 12(22), pages 1-21, November.
    • Handle: RePEc:gam:jmathe:v:12:y:2024:i:22:p:3626-:d:1525415
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