Results 31 to 40 of about 214 (64)

Valuative invariants for large classes of matroids

Journal of the London Mathematical Society, Volume 110, Issue 3, September 2024.
Abstract We study an operation in matroid theory that allows one to transition a given matroid into another with more bases via relaxing a stressed subset. This framework provides a new combinatorial characterization of the class of (elementary) split matroids.
Luis Ferroni, Benjamin Schröter
wiley   +1 more source

The local motivic DT/PT correspondence. [PDF]

J Lond Math Soc, 2021
Davison B, Ricolfi AT.
europepmc   +1 more source

An Euler system for GU(2, 1). [PDF]

Math Ann, 2022
Loeffler D, Skinner C, Zerbes SL.
europepmc   +1 more source

On Hodge polynomials for nonalgebraic complex manifolds. [PDF]

Proc Natl Acad Sci U S A
Katzarkov L, Lee KS, Lupercio E, Meersseman L.   +3 more
europepmc   +1 more source

Chow rings of nonabelian p-groups of order p3

, 2012
N. Yagita
semanticscholar   +1 more source

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$T$-equivariant motives of flag varieties

, 2023
We use the construction of the stable homotopy category by Khan-Ravi to calculate the integral $T$-equivariant $K$-theory spectrum of a flag variety over an affine scheme, where $T$ is a split torus associated to the flag variety. More precisely, we show
Can Yaylali
semanticscholar   +1 more source

Equivariant Grothendieck ring of a complete symmetric variety of minimal rank

Manuscripta mathematica, 2022
We describe the G-equivariant Grothendieck ring of a regular compactification X of an adjoint symmetric space G/H of minimal rank. This extends the results of Brion and Joshua for the equivariant Chow ring of wonderful symmetric varieties of minimal rank
V. Uma
semanticscholar   +1 more source

Equivariant Chow Ring and Chern Classes of Wonderful Symmetric Varieties of Minimal Rank

, 2007
We describe the equivariant Chow ring of the wonderful compactification X of a symmetric space of minimal rank, via restriction to the associated toric variety Y.
M. Brion, R. Joshua
semanticscholar   +1 more source

Chow Rings and Augmented Chow Rings of Uniform Matroids and Their q-Analogs

International mathematics research notices
We study the Hilbert series and the representations of ${\mathfrak{S}}_{n}$ and $GL_{n}(\mathbb{F}_{q})$ on the (augmented) Chow rings of uniform matroids $U_{r,n}$ and $q$-uniform matroids $U_{r,n}(q)$.
Hsin-Chieh Liao
semanticscholar   +1 more source

Pathological computations of Mackey functor‐valued Tor over cyclic groups

Bulletin of the London Mathematical Society
In equivariant algebra, Mackey functors play the role of abelian groups and Green and Tambara functors play the role of commutative rings. In this paper, we compute Mackey functor‐valued Tor over certain free Green and Tambara functors, generalizing the ...
David Mehrle, And J.D. QUIGLEY, Michael Stahlhauer   +2 more
semanticscholar   +1 more source