Universal first-order Massey product of a prefactorization algebra

S Bruinsma, A Schenkel, B Vicedo - Communications in Mathematical …, 2024 - Springer
This paper studies the universal first-order Massey product of a prefactorization algebra,
which encodes higher algebraic operations on the cohomology. Explicit computations of …

Box operads and higher Gerstenhaber brackets

HD Van, L Hermans, W Lowen - arXiv preprint arXiv:2305.20036, 2023 - arxiv.org
We introduce a symmetric operad $\square p $(" box-op") which describes a certain calculus
of rectangular labeled``boxes''. Algebras over $\square p $, which we call box operads, have …

(Twisted) canonical supermultiplets and their resolutions as open-closed homotopy algebras

S Jonsson - arXiv preprint arXiv:2408.15102, 2024 - arxiv.org
We argue that some supersymmetric multiplets can naturally be equipped with the structure
of an open-closed homotopy algebra. This structure is readily described through the pure …

Deformation maps of Quasi-twilled associative algebras

S Liu, A Makhlouf, L Song - arXiv preprint arXiv:2409.02651, 2024 - arxiv.org
In this paper, we introduce two types of deformation maps of quasi-twilled associative
algebras. Each type of deformation maps unify various operators on associative algebras …

Kaledin classes and formality criteria

C Emprin - arXiv preprint arXiv:2404.17529, 2024 - arxiv.org
We develop a general obstruction theory to the formality of algebraic structures over any
commutative ground ring. It relies on the construction of Kaledin obstruction classes that …

The Homotopy Class of twisted -morphisms

A Kraft, J Schnitzer - arXiv preprint arXiv:2102.10645, 2021 - arxiv.org
The global formality of Dolgushev depends on the choice of a torsion-free covariant
derivative. We prove that the globalized formalities with respect to two different covariant …

A Deligne conjecture for prestacks

R Campos, L Hermans - arXiv preprint arXiv:2406.16652, 2024 - arxiv.org
We prove an analog of the Deligne conjecture for prestacks. We show that given a prestack
$\mathbb A $, its Gerstenhaber--Schack complex $\mathbf {C} _ {\mathsf {GS}}(\mathbb A) …

Integration of the Baker-Campbell-Hausdorff product

M Fuentes - arXiv preprint arXiv:2405.12396, 2024 - arxiv.org
In an arbitrary complete differential graded Lie algebra, we construct a group operation
$\bullet $ on $ L_1 $ such that the differential of the product of two elements is the Baker …

Maurer-Cartan methods in perturbative quantum mechanics

A Losev, T Sulimov - arXiv preprint arXiv:2401.17476, 2024 - arxiv.org
We reformulate the time-independent Schr\" odinger equation as a Maurer-Cartan equation
on the superspace of eigensystems of the former equation. We then twist the differential so …

Deformation theory of cohomological field theories

V Dotsenko, S Shadrin, A Vaintrob… - Journal für die reine und …, 2024 - degruyter.com
We develop the deformation theory of cohomological field theories (in short, CohFTs), which
is done as a special case of a general deformation theory of morphisms of modular operads …