activity
20132024
most citedInjective stabilization of additive functors. II. (Co)torsion and the Auslander-Gruson-Jensen functor

15 citations · 15 across the 7 of their papers we have counts for

collaborators

10 papers

math.RT2024

Deconstructing Auslander's formulas, I. Fundamental sequences associated with additive functors

Alex Martsinkovsky

For any additive functor from modules (or, more generally, from an abelian category with enough projectives or injectives), we construct long sequences tying up together the derive…

math.RT2024

The defect, the Malgrange functor, and linear control systems

Alex Martsinkovsky

The notion of defect of a finitely presented functor on a module category is extended to arbitrary additive functors. The new defect and the contravariant Yoneda embedding form a r…

math.CT2022

The finite presentation of the stable Hom functors, the Bass torsion, and the cotorsion coradical

Alex Martsinkovsky

We provide necessary and/or sufficient conditions for the stable Hom functors to be finitely presented. When the covariant Hom functor modulo projectives is finitely presented, its…

math.CT2021

Cokernels in the stable category of a left hereditary ring

Dali Zangurashvili

It is proved that if a ring is left hereditary, left perfect and right coherent, then the stable category has cokernels. Moreover, we show that the condition for a ring to be left…

math.RT2018

Orders of bounded and strongly unbounded lattice type

Fahimeh Sadat Fotouhi, Alex Martsinkovsky, Shokrollah Salarian

Brauer and Thrall conjectured that a finite-dimensional algebra over a field of bounded representation type is actually of finite representation type and a finite-dimensional algeb…

math.RT2017

Injective stabilization of additive functors. III. Asymptotic stabilization of the tensor product

Alex Martsinkovsky, Jeremy Russell

The injective stabilization of the tensor product is subjected to an iterative procedure that utilizes its bifunctor property. The limit of this procedure, called the asymptotic st…

math.RT2017★ 15 cited

Injective stabilization of additive functors. II. (Co)torsion and the Auslander-Gruson-Jensen functor

Alex Martsinkovsky, Jeremy Russell

The formalism of injective stabilization of additive functors is used to define a new notion of the torsion submodule of a module. It applies to arbitrary modules over arbitrary ri…

math.RT2017

Injective stabilization of additive functors. I. Preliminaries

Alex Martsinkovsky, Jeremy Russell

This paper is the first one in a series of three dealing with the concept of injective stabilization of the tensor product and its applications. Its primary goal is to collect know…

math.RA2014

The stable category of a left hereditary ring

Alex Martsinkovsky, Dali Zangurashvili

The (co)completeness problem for the (projectively) stable module category of an associative ring is studied. (Normal) monomorphisms and (normal) epimorphisms in such a category ar…

math.CT2013

On direct summands of homological functors on length categories

Alex Martsinkovsky

We show that direct summands of certain additive functors arising as bifunctors with a fixed argument in an abelian category are again of that form whenever the fixed argument has…