Weight structures vs. t-structures; weight filtrations, spectral sequences, and complexes (for motives and in general)

MV Bondarko - Journal of K-theory, 2010 - cambridge.org
In this paper we introduce a new notion of weight structure (w) for a triangulated category C;
this notion is an important natural counterpart of the notion of t-structure. It allows extending …

[HTML][HTML] Realisation functors in tilting theory

C Psaroudakis, J Vitória - Mathematische Zeitschrift, 2018 - Springer
Derived equivalences and t-structures are closely related. We use realisation functors
associated to t-structures in triangulated categories to establish a derived Morita theory for …

On constructing weight structures and extending them to idempotent extensions

MV Bondarko, VA Sosnilo - arXiv preprint arXiv:1605.08372, 2016 - arxiv.org
We describe a new method for constructing a weight structure $ w $ on a triangulated
category $ C $. For a given $ C $ and $ w $ it allow us to give a fairly comprehensive (and …

Weights for relative motives: relation with mixed complexes of sheaves

MV Bondarko - International Mathematics Research Notices, 2014 - ieeexplore.ieee.org
The main goal of this paper is to define the Chow weight structure w Chow for the category
DM c (S) of (constructible) Beilinson motives over any excellent separated finite-dimensional …

Motivic springer theory

JN Eberhardt, C Stroppel - Indagationes Mathematicae, 2022 - Elsevier
We show that representations of convolution algebras such as Lustzig's graded affine Hecke
algebra or the quiver Hecke algebra and quiver Schur algebra in type A and A˜ can be …

[HTML][HTML] On purely generated α-smashing weight structures and weight-exact localizations

MV Bondarko, VA Sosnilo - Journal of Algebra, 2019 - Elsevier
This paper is dedicated to new methods of constructing weight structures and weight-exact
localizations; our arguments generalize their bounded versions considered in previous …

State BCK-algebras and state-morphism BCK-algebras

RA Borzooei, A Dvurečenskij, O Zahiri - Fuzzy Sets and Systems, 2014 - Elsevier
In the paper, we define the notion of a state BCK-algebra and a state-morphism BCK-
algebra extending the language of BCK-algebras by adding a unary operator which models …

The anti-spherical category

N Libedinsky, G Williamson - arXiv preprint arXiv:1702.00459, 2017 - arxiv.org
We study a diagrammatic categorification (the" anti-spherical category") of the anti-spherical
module for any Coxeter group. We deduce that Deodhar's (sign) parabolic Kazhdan-Lusztig …

An algebraic study of extension algebras

S Kato - American Journal of Mathematics, 2017 - muse.jhu.edu
We present simple conditions which guarantee a geometric extension algebra to behave
like a variant of quasi-hereditary algebras. In particular, standard modules of affine Hecke …

Unbounded derived categories of small and big modules: Is the natural functor fully faithful?

L Positselski, OM Schnürer - Journal of Pure and Applied Algebra, 2021 - Elsevier
Consider the obvious functor from the unbounded derived category of all finitely generated
modules over a left noetherian ring R to the unbounded derived category of all modules. We …