JP Journal of Algebra, Number Theory and Applications

The JP Journal of Algebra, Number Theory and Applications is a prestigious international journal indexed in the Emerging Sources Citation Index (ESCI). It publishes original research papers, both theoretical and applied in nature, in various branches of algebra and number theory. The journal also welcomes survey articles that contribute to the advancement of these fields.

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A COMPUTATION OF PRERADICALS

Authors

  • José Khalid Chiempén Pelayo
  • Jesús Efrén Pérez Terrazas
  • Pedro David Sánchez Salazar

Keywords:

groups, preradicals, representation type

DOI:

https://doi.org/10.17654/10.17654/0972555525040

Abstract

A computation of preradicals is provided in order to show that an assignment of preradicals is not injective. Also, a relation between wildness and preradicals is obtained.

Received: August 11, 2025
Accepted: October 1, 2025

References

[1] K. Bongartz, Representation embeddings and the second Brauer-Thrall conjecture, 2023. v5.arXiv.

[2] S. Brenner, Decomposition properties of some small diagrams of modules, Symposia Mathematica, Vol. XIII (Convegno di Gruppi Abeliani, INDAM, Rome, 1972), pp. 127-141, Academic Press, London, 1974.

[3] J. Chiempén, E. Pérez and P. Sánchez, Un poco acerca de bimódulos, salvajismo y prerradicales, Abstraction & Application 51 (2025), 109-123.

[4] R. Fernández-Alonso, S. Gavito and E. Pérez, On the connection between the representation type of an algebra and its lattice of preradicals, Communications in Algebra 46(1) (2018), 176-190.

[5] R. Fernández-Alonso and J. Magaña, Galois connections between lattices of preradicals induced by adjoint pairs between categories of modules, Appl. Cat. Structures 24(3) (2016), 241-268.

[6] R. Fernández-Alonso and J. Magaña, Galois connections between lattices of preradicals induced by ring epimorphisms, J. Alg. Appl. 19(3) (2020), 17.

[7] R. Fernández-Alonso, B. Mercado and S. Gavito, Preradicals over some group algebras, Algebras and Representation Theory 27 (2024), 1221-1235.

[8] J. A. de la Peña, Representations of Algebras, Tame and Wild Behavior, Algebra and Applications 30, Springer, 2020.

[9] L. Francisco, G. Raggi and L. Salmerón, Rudimentos de mansedumbre y salvajismo en Teoría de Representaciones, Sociedad Matemática Mexicana, 1995.

[10] P. Webb, A Course in Finite Group Representation Theory, Cambridge Studies in Advanced Mathematics, Cambridge University Press, 2016.

Published

2025-10-28

Issue

Section

Articles

How to Cite

A COMPUTATION OF PRERADICALS. (2025). JP Journal of Algebra, Number Theory and Applications, 64(6), 747-755. https://doi.org/10.17654/10.17654/0972555525040

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