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We introduce a monoidal category whose morphisms are finite partial orders, with chosen minimal and maximal elements as source and target respectively. After recalling the notion of presentation of a monoidal category by the means of…

Logic in Computer Science · Computer Science 2015-05-28 Samuel Mimram

We classify small contractions of (holomorphically) symplectic 4-folds.

Algebraic Geometry · Mathematics 2007-05-23 Jan Wierzba , Jaroslaw A. Wisniewski

We introduce new finite-dimensional cohomologies on symplectic manifolds. Each exhibits Lefschetz decomposition and contains a unique harmonic representative within each class. Associated with each cohomology is a primitive cohomology…

Symplectic Geometry · Mathematics 2012-10-02 Li-Sheng Tseng , Shing-Tung Yau

We introduce a system of axioms that uniquely defines an (infinity,d)-category of bordisms equipped with geometric data. The underlying manifolds of these bordisms may be smooth, complex, super, or formal smooth manifolds, as well as any…

Algebraic Topology · Mathematics 2026-05-06 Daniel Grady , Dmitri Pavlov

We classify contact manifolds $(M,\mathcal D)$ which are homogeneous under a connected semisimple Lie group $G$, and symmetric in the sense that there exists a contactomorphism of $(M,\mathcal D)$ normalizing $G$, fixing a point $o$ in $M$…

Differential Geometry · Mathematics 2020-03-03 Dmitri Alekseevsky , Claudio Gorodski

We develop the idea of a supersymmetric monoidal supercategory, following ideas of Kapranov. Roughly, this is a monoidal category in which the objects and morphisms are ${\bf Z}/2$-graded, equipped with isomorphisms $X \otimes Y \to Y…

Category Theory · Mathematics 2021-02-16 Steven V Sam , Andrew Snowden

We construct a rational homotopy-theoretic model for a classifying space of locally conformally symplectic structures on four-manifolds, and use it to definition a cobordism category of three-manifolds `anchored' by principal $\Omega^2 S^2$…

Algebraic Topology · Mathematics 2025-04-30 J Morava

We discuss what it means for a symmetric monoidal category to be a module over a commutative semiring category. Each of the categories of (1) cartesian monoidal categories, (2) semiadditive categories, and (3) connective spectra can be…

Category Theory · Mathematics 2018-08-29 John D. Berman

We consider the topological category of $h$-cobordisms between manifolds with boundary and compare its homotopy type with the standard $h$-cobordism space of a compact smooth manifold.

Algebraic Topology · Mathematics 2019-11-11 George Raptis , Wolfgang Steimle

We construct symplectic submanifolds of symplectic manifolds with contact border. The boundary of such submanifolds is shown to be a contact submanifold of the contact border. We also give a topological characterization of the constructed…

Symplectic Geometry · Mathematics 2007-05-23 Francisco Presas

We describe families of monotone symplectic manifolds constructed via the symplectic cutting procedure of Lerman from the cotangent bundle of manifolds endowed with a free circle action. We also give obstructions to the monotone Lagrangian…

Symplectic Geometry · Mathematics 2014-10-01 Agnes Gadbled

We present an expository overview of the monoidal structures in the category of linearly compact vector spaces. Bimonoids in this category are the natural duals of infinite-dimensional bialgebras. We classify the relations on words whose…

Combinatorics · Mathematics 2021-08-12 Eric Marberg

The purpose of this paper is to present some results on the existence of homologous, nonisotopic symplectic or lagrangian surfaces embedded in a simply connected symplectic 4-dimensional manifold.

Geometric Topology · Mathematics 2007-05-23 Stefano Vidussi

A general result relating skew monoidal structures and monads is proved. This is applied to quantum categories and bialgebroids. Ordinary categories are monads in the bicategory whose morphisms are spans between sets. Quantum categories…

Category Theory · Mathematics 2014-11-10 Stephen Lack , Ross Street

We construct a compact closed category out of any symmetric monoidal category by freely adding adjoints to its objects. The morphisms of the completion are defined as string diagrams annotated by objects and morphisms from the original…

Category Theory · Mathematics 2022-01-24 Antonin Delpeuch

This is the first in a series of papers dedicated to the study of Poisson manifolds of compact types (PMCTs). This notion encompasses several classes of Poisson manifolds defined via properties of their symplectic integrations. In this…

Differential Geometry · Mathematics 2016-03-23 Marius Crainic , Rui Loja Fernandes , David Martinez Torres

This paper explores the topology of monotone Lagrangian submanifolds $L$ inside a symplectic manifold $M$ by exploiting the relationships between the quantum homology of $M$ and various quantum structures associated to the Lagrangian $L$.

Symplectic Geometry · Mathematics 2014-11-11 Paul Biran , Octav Cornea

This short paper shows a topological obstruction of the existence of certain Lagrangian submanifolds in symplectic $4m$-manifolds.

Symplectic Geometry · Mathematics 2022-07-21 Yuguang Zhang

In this paper we construct a bicategory of (super) algebra bundles over a smooth manifold, where the 1-morphisms are bundles of bimodules. The main point is that naive definitions of bimodule bundles will not lead to a well-defined…

Differential Geometry · Mathematics 2022-04-11 Peter Kristel , Matthias Ludewig , Konrad Waldorf

In this paper, the symplectic genus for any 2-dimensional class in a 4-manifold admitting a symplectic structure is introduced, and its relation with the minimal genus is studied. It is used to describe which classes in rational and…

Geometric Topology · Mathematics 2007-05-23 Bang-He Li , Tian-Jun Li