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Categorial methods for generating new local algebras from old ones are presented. A direct proof of the differential structure of the prolongations of a manifold is proposed.

Category Theory · Mathematics 2007-09-05 Margherita Barile , Fiorella Barone , Wlodzimierz M. Tulczyjew

We give a characterization of smooth quadrics in terms of the existence of full exceptional collections of certain type, which generalizes a result of C.Vial for projective spaces.

Algebraic Geometry · Mathematics 2017-12-05 Duo Li

This paper defines and examines the basic properties of noncommutative analogues of almost complex structures, integrable almost complex structures, holomorphic curvature, cohomology, and holomorphic sheaves. The starting point is a…

Algebraic Geometry · Mathematics 2013-03-07 Edwin Beggs , S. Paul Smith

We prove a theorem of Hinich type on existence of a model structure on a category related by an adjunction to the category of differential graded modules over a graded commutative ring.

Category Theory · Mathematics 2012-11-22 Volodymyr Lyubashenko

It is shown that projectivized irreducible components of nilpotent cones of complex symmetric spaces are projective self-dual algebraic varieties. Other properties equivalent to their projective self-duality are found.

Algebraic Geometry · Mathematics 2007-05-23 Vladimir L. Popov

We recall the definition of classical polar varieties, as well as those of affine and projective reciprocal polar varieties. The latter are defined with respect to a non-degenerate quadric, which gives us a notion of orthogonality. In…

Algebraic Geometry · Mathematics 2016-01-15 Ragni Piene

Various complexes of differential operators are constructed on complex projective space via the Penrose transform, which also computes their cohomology.

Complex Variables · Mathematics 2008-08-19 Michael Eastwood

We study geometric representation theory of Lie algebroids. A new equivalence relation for integrable Lie algebroids is introduced and investigated. It is shown that two equivalent Lie algebroids have equivalent categories of infinitesimal…

Symplectic Geometry · Mathematics 2015-05-13 Yuji Hirota

We introduce a Zariskian analogue of the theory of Huber's adic spaces.

Algebraic Geometry · Mathematics 2018-02-27 Hiromu Tanaka

The Kahler moduli space of a particular non-simply-connected Calabi-Yau manifold is mapped out using mirror symmetry. It is found that, for the model considered, the chiral ring may be identical for different associated conformal field…

High Energy Physics - Theory · Physics 2009-10-28 P. S. Aspinwall , D. R. Morrison

We define a quantum analogue of a class of generalized cluster algebras which can be viewed as a generalization of quantum cluster algebras defined in \cite{berzel}. In the case of rank two, we extend some structural results from the…

Quantum Algebra · Mathematics 2017-01-23 Liqian Bai , Xueqing Chen , Ming Ding , Fan Xu

It is shown that the idempotent completion of the additive hull of the tensor product of the residue category of the category of paths of a locally finite quiver modulo an admissible ideal and a dualizing category is dualizing. Furthermore,…

Representation Theory · Mathematics 2016-10-06 Yang Han , Ningmei Zhang

Throughout the paper, among other esults, we give partial analogues of theorem 1.1 for projectivized tangent cone quadrics of rank equal or less than 4, for Prymians.

Algebraic Geometry · Mathematics 2015-05-05 Ali Bajravani

We develop category-theoretic framework for universal homogeneous objects, with some applications in the theory of Banach spaces, linear orderings, and in topology of compact spaces.

Category Theory · Mathematics 2013-03-12 Wieslaw Kubiś

We continue the study of enriched infinity categories, using a definition equivalent to that of Gepner and Haugseng. In our approach enriched infinity categories are associative monoids in an especially designed monoidal category of…

Category Theory · Mathematics 2021-07-06 V. Hinich

We define a version of a derived chiral De Rham complex over a locally complete intersection, thereby "chiralizing" a result by Illusie and Bhatt. A similar construction attaches to a graded ring a dg vertex algebra, which we prove to be…

Algebraic Geometry · Mathematics 2014-06-03 Fyodor Malikov , Vadim Schechtman

Differential categories are now an established abstract setting for differentiation. However not much attention has been given to the process which is inverse to differentiation: integration. This paper presents the parallel development for…

Category Theory · Mathematics 2019-02-20 J. R. B. Cockett , JS Lemay

We give a functional characterization of a class of quasi-invariant determinantal processes corresponding to projection kernels in terms of de Branges spaces of entire funcitons.

Functional Analysis · Mathematics 2024-10-08 Roman Romanov

We study equivalences induced by a silting module $T$ or, equivalently, by a complex of projectives $\mathbb{P}$, concentrated in $-1$ and $0$ which is silting in the derived category $\mathbf{D}(R)$ of a ring $R$.

Representation Theory · Mathematics 2019-03-13 Simion Breaz , George Ciprian Modoi

The higher direct image complex of a coherent sheaf (or finite complex of coherent sheaves) under a projective morphism is a fundamental construction that can be defined via a Cech complex or an injective resolution, both inherently…

Algebraic Geometry · Mathematics 2007-05-23 David Eisenbud , Frank-Olaf Schreyer