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math.RA2020
Simultaneous orthogonalization of inner products over arbitrary fields
Yolanda Cabrera Casado, Cristóbal Gil Canto, Dolores Martín Barquero +1
We give necessary and sufficient conditions for a family of inner products in a finite-dimensional vector space over an arbitrary field to have an orthogonal basis…
math.RA2020
Invariants ideals in Leavitt Path algebras
Cristóbal Gil Canto, Dolores Martín Barquero, Cándido Martín González
It is known that the ideals of a Leavitt path algebra generated by $\Pl(E)$, by $\Pc(E)$ or by $\Pec(E)$ are invariant under isomorphism. Though the ideal generated by $\P…