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We apply the theory of operadic Koszul duality to provide a cofibrant resolution of the colored operad whose algebras are prefactorization algebras on a fixed space M. his allows us to describe a notion of prefactorization algebra up to…

Algebraic Topology · Mathematics 2024-06-28 Najib Idrissi , Eugene Rabinovich

In 2007, Vallette built a bridge across posets and operads by proving that an operad is Koszul if and only if the associated partition posets are Cohen-Macaulay. Both notions of being Koszul and being Cohen-Macaulay admit different…

Algebraic Topology · Mathematics 2023-06-13 Joan Bellier-Millès , Bérénice Delcroix-Oger , Eric Hoffbeck

In this paper, we construct a bar-cobar adjunction and a Koszul duality theory for protoperads, which are an operadic type notion encoding faithfully some categories of bialgebras with diagonal symmetries, like double Lie algebras (DLie).…

Algebraic Topology · Mathematics 2019-01-18 Johan Leray

In [1] we introduced the notion of 'structured space', i.e. a space which locally resembles various algebraic structures. In [2] and [3] we studied some cohomology theories related to these space. In this paper we continue in this…

Algebraic Topology · Mathematics 2020-05-15 Manuel Norman

We compute the characteristic polynomials of the posets of hypertrees. We show that the generating series of the polynomials can be expressed using cyclic hypertrees. We also propose a conjecture on the action of the symmetric groups on the…

Quantum Algebra · Mathematics 2007-10-24 Frédéric Chapoton

The transfer of the generating operations of an algebra to a homotopy equivalent chain complex produces higher operations. The first goal of this paper is to describe precisely the higher structure obtained when the unary operations commute…

Quantum Algebra · Mathematics 2014-10-01 Olivia Bellier

We produce a canonical highly homotopy-coherent operad structure on the derivatives of the identity functor in spaces via a pairing of cosimplicial objects, providing a new description of an operad structure on such objects first described…

Algebraic Topology · Mathematics 2020-09-16 Duncan A. Clark

This paper examines operad structures derived from poset matrices by formulating a set of new construction rules for poset matrices. In this direction, eleven different partial composition operations will be introduced as the basis for the…

Combinatorics · Mathematics 2024-01-17 Arnauld Mesinga Mwafise , Gi-Sang Cheon , Hong Joon Choi , Samuele Giraudo

A theorem of Pridham and Lurie provides an equivalence between formal moduli problems and Lie algebras in characteristic zero. We prove a generalization of this correspondence, relating formal moduli problems parametrized by algebras over a…

Algebraic Topology · Mathematics 2023-07-04 Damien Calaque , Ricardo Campos , Joost Nuiten

A new hierarchy of combinatorial operads is introduced, involving families of regular polygons with configurations of arcs, called decorated cliques. This hierarchy contains, among others, operads on noncrossing configurations, Motzkin…

Combinatorics · Mathematics 2017-09-26 Samuele Giraudo

The aim of this sequel to arXiv:1812.02935 is to set up the cornerstones of Koszul duality and Koszulity in the context of operads over a large class of operadic categories. In particular, for these operadic categories we will study…

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

The vector space of all polygons with configurations of diagonals is endowed with an operad structure. This is the consequence of a functorial construction $\mathsf{C}$ introduced here, which takes unitary magmas $\mathcal{M}$ as input and…

Combinatorics · Mathematics 2017-02-02 Samuele Giraudo

The aim of this paper is to define and study pointed and multi-pointed partition posets of type A and B (in the classification of Coxeter groups). We compute their characteristic polynomials, incidence Hopf algebras and homology groups. As…

Quantum Algebra · Mathematics 2007-05-23 Frederic Chapoton , Bruno Vallette

We investigate algebras with one operation. We study when these algebras form a monoidal category and analyze Koszulness and cyclicity of the corresponding operads. We also introduce a new kind of symmetry for operads, the dihedrality,…

Algebraic Topology · Mathematics 2007-05-23 Martin Markl , Elisabeth Remm

In a first part of this paper, we introduce a homology theory for infinity-operads and for dendroidal spaces which extends the usual homology of differential graded operads defined in terms of the bar construction, and we prove some of its…

Category Theory · Mathematics 2021-05-26 Eric Hoffbeck , Ieke Moerdijk

We introduce a generalization of the notion of operad that we call a contractad, whose set of operations is indexed by connected graphs and whose composition rules are numbered by contractions of connected subgraphs. We show that many…

Algebraic Topology · Mathematics 2024-07-24 Denis Lyskov

We demonstrate how a simple linear-algebraic technique used earlier to compute low-degree cohomology of current Lie algebras, can be utilized to compute other kinds of structures on such Lie algebras, and discuss further generalizations,…

Rings and Algebras · Mathematics 2014-08-14 Pasha Zusmanovich

The present article takes advantage of the properties of algebras in the category of S-modules (twisted algebras) to investigate further the fine algebraic structure of Hopf operads. We prove that any Hopf operad P carries naturally the…

Rings and Algebras · Mathematics 2007-05-23 Muriel Livernet , Frederic Patras

We show that the poset of non-trivial partitions of 1,2,...,n has a fundamental homology class with coefficients in a Lie superalgebra. Homological duality then rapidly yields a range of known results concerning the integral representations…

Category Theory · Mathematics 2014-10-01 Alan Robinson

We show that the family of chain modules over the standard simplices can be equipped with an operad structure. Similarly, the family of cochain modules of the Stasheff polytopes can be equipped with an operad structure. We first show that…

Quantum Algebra · Mathematics 2015-06-26 Jean-Louis Loday , Maria O. Ronco