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In this paper, we revisit the construction of the hairy graph complexes associated to a cyclic operad, by exploiting modules over the appropriate twisted linearization of the downward Brauer category (and working over a field of…

Algebraic Topology · Mathematics 2025-12-24 Geoffrey Powell

In this paper we study symmetric Leibniz and related algebras, namely symmetric dialgebras and symmetric Perm-algebras. We also calculate their Koszul duals, if not known. This will give us Lie-admissible algebras and new types of algebras,…

Rings and Algebras · Mathematics 2019-05-27 Benedikt Hurle

In this paper we investigate a family of algebras endowed with a suitable non-degenerate bilinear form that can be used to define two different notions of dual for a given right ideal. We apply our results to the classification of the right…

Rings and Algebras · Mathematics 2018-09-10 Alessandro Ardizzoni , Fabio Stumbo

Let $H$ be a numerical semigroup. We give effective bounds for the multiplicity $e(H)$ when the associated graded ring $\operatorname{gr}_\mathfrak{m} K[H]$ is defined by quadrics. We classify Koszul complete intersection semigroups in…

Commutative Algebra · Mathematics 2017-10-18 Jürgen Herzog , Dumitru I. Stamate

We investigate operads for various n-ary algebras. As a useful tool we introduce galgalim - analogs of the Lie-hedra for n-ary algebras. We then focus to algebras with one anti-associative operation. We describe the relevant part of the…

Algebraic Topology · Mathematics 2011-08-26 Martin Markl , Elisabeth Remm

A Koszul duality-type correspondence between coderived categories of conilpotent differential graded Lie coalgebras and their Chevalley-Eilenberg differential graded algebras is established. This gives an interpretation of Lie coalgebra…

K-Theory and Homology · Mathematics 2024-11-06 Joseph Chuang , Andrey Lazarev , Yunhe Sheng , Rong Tang

We show that modular operads are equivalent to modules over a certain simple properad which we call the Brauer properad. Furthermore, we show that, in this setting, the Feynman transform corresponds to the cobar construction for modules of…

Quantum Algebra · Mathematics 2022-12-21 Robin Stoll

In this paper, we introduce the concepts of representation and dual representation for averaging Leibniz algebras. We also develop a cohomology theory for these algebras. Additionally, we explore the infinitesimal and formal deformation…

Rings and Algebras · Mathematics 2025-12-11 Bouzid Mosbahi , Imed Basdouri , Jean Lerbet

In this paper, we show that for a Koszul $n$-homogeneous algebra $\Lambda$, the quadratic dual of certain twisted trivial extension is the $(n+1)$-preprojective algebra of its quadratic dual, that is, $ (\Delta_{\nu}\Lambda)^{!,op}…

Representation Theory · Mathematics 2019-02-14 Jin Yun Guo

Working in the context of symmetric spectra, we consider any higher algebraic structures that can be described as algebras over an operad O. We prove that the fundamental adjunction comparing O-algebra spectra with coalgebra spectra over…

Algebraic Topology · Mathematics 2015-07-24 Michael Ching , John E. Harper

Let $A$ be an augmented differential graded algebra over a field $k$ of characteristic zero, and let $A^!=\mathbf{R}\mathrm{Hom}_A(k,k)$ be its Koszul dual algebra. Blumberg and Mandell showed that, under some finiteness conditions of $A$,…

K-Theory and Homology · Mathematics 2026-05-07 Xiaojun Chen , Farkhod Eshmatov , Maozhou Huang

We associate to a good cell decomposition of a manifold M a quadratic algebra and show that the Koszulity of the algebra implies a restriction on the Euler characteristic of M. For a two-dimensional manifold M the algebra is Koszul if and…

Rings and Algebras · Mathematics 2008-11-06 Vladimir Retakh , Shirlei Serconek , Robert Lee Wilson

We show that for dually paired bialgebras, every comodule algebra over one of the paired bialgebras gives a comodule algebra over their Drinfeld double via a crossed product construction. These constructions generalize to working with…

Quantum Algebra · Mathematics 2020-08-18 Robert Laugwitz

In this paper, we consider the categorical symmetric Howe duality introduced by Khovanov, Lauda, Sussan and Yonezawa. While originally defined from a purely diagrammatic perspective, this construction also has geometric and…

Representation Theory · Mathematics 2026-01-14 Ben Webster

We introduce a duality triads` notion. These are dual recurrences as used in dynamical data bases theory completed by a third pertinacious relation. Several representative examples of them are given. q-Gaussian triads as well as Fibonomial…

General Mathematics · Mathematics 2007-05-23 A. K. Kwasniewski

The subalgebra of diagonal elements of a quantum matrix group has been conjectured by Daniel Krob and Jean-Yves Thibon to be isomorphic to a cubic algebra, coined the quantum pseudo-plactic algebra. We present a functorial approach to the…

Quantum Algebra · Mathematics 2019-12-10 Todor Popov

This is the first paper of a series which aims to set up the cornerstones of Koszul duality for operads over operadic categories. To this end we single out additional properties of operadic categories under which the theory of quadratic…

Category Theory · Mathematics 2024-08-07 Michael Batanin , Martin Markl

In this work, the partially and totally hom-coassociative ternary coalgebras are constructed and discussed. Their {infinitesimal} bialgebraic structures are also investigated. The related dual space structures and their properties are…

Rings and Algebras · Mathematics 2018-05-23 Mahouton Norbert Hounkonnou , Gbevewou Damien Houndedji

We introduce quantum Boolean algebras which are the analogue of the Weyl algebras for Boolean affine spaces. We study quantum Boolean algebras from the logical and set theoretical viewpoints.

Quantum Algebra · Mathematics 2017-11-10 Rafael Diaz

We introduce the quiver of a bicomodule over a cosemisimple coalgebra. Applying this to the coradical $C_0$ of an arbitrary coalgebra $C$, we give an alternative definition of the Gabriel quiver of $C$, and then show that it coincides with…

Representation Theory · Mathematics 2007-05-23 Xiao-Wu Chen , Hua-Lin Huang , Pu Zhang