Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Stai, Torkil"'
Happel and Seidel gave a classification of piecewise hereditary Nakayama algebras, where the relations are given by some power of the radical. Here we explore what happens for general relations. We develop techniques for showing that a given algebra
Externí odkaz:
http://arxiv.org/abs/2310.08346
Publikováno v:
In Journal of Algebra 15 December 2024 660:852-881
A successful theme in the development of triangulated categories has been the study of compact objects. A weak dual notion called 0-cocompact objects was introduced in arXiv:1801.07995, motivated by the fact that sets of such objects cogenerate co-t-
Externí odkaz:
http://arxiv.org/abs/2104.12498
We investigate the behavior of singularity categories and stable categories of Gorenstein projective modules along a morphism of rings. The natural context to approach the problem is via change of rings, that is, the classical adjoint triple between
Externí odkaz:
http://arxiv.org/abs/1801.07995
Autor:
Stai, Torkil
We compare the so-called clock condition to the gradability of certain differential modules over quadratic monomial algebras. For a stably hereditary algebra or a gentle one-cycle algebra, these considerations show that the orbit category of its boun
Externí odkaz:
http://arxiv.org/abs/1602.06795
Autor:
Stai, Torkil Utvik
By means of the ungraded derived category we prove that the orbit category of the bounded derived category of an iterated tilted algebra with respect to translation is triangulated in such a way that the canonical functor from the bounded derived cat
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19627
Autor:
Stai, Torkil
In the terms of an `$n$-periodic derived category', we describe explicitly how the orbit category of the bounded derived category of an algebra with respect to powers of the shift functor embeds in its triangulated hull. We obtain a large class of al
Externí odkaz:
http://arxiv.org/abs/1510.03574
Publikováno v:
In Advances in Mathematics 9 July 2019 350:190-241
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