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Differential Galois Groups and Representation of Quivers for Seismic Models with Constant Hessian of Square of Slowness
Primitivo Acosta-Humánez, Hernán Giraldo, Carlos Piedrahita
The trajectory of energy is modeled by the solution of the Eikonal equation, which can be solved by solving a Hamiltonian system. This system is amenable of treatment from the poin…
Shapes of Auslander-Reiten Triangles
Edson Ribeiro Alvares, Sônia Maria Fernandes, Hernán Giraldo
Our main theorem classifies the Auslander-Reiten triangles according to properties of the morphisms involved. As a consequence, we are able to compute the mapping cone of an irredu…
On Singular Equivalences of Morita Type and Universal Deformation Rings for Gorenstein Algebras
Viktor Bekkert, Hernan Giraldo, Jose A. Velez-Marulanda
Let be a finite-dimensional algebra over a fixed algebraically closed field of arbitrary characteristic, and let be a finitely generated -module. It follows…
Universal deformation rings for a class of self-injective special biserial algebras
Johny Calderon-Henao, Hernan Giraldo, Ricardo Rueda-Robayo +1
Let be an algebraically closed field of arbitrary characteristic, let be a finite dimensional -algebra and let be a -module with stable endomorp…