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We construct a smooth algebraic stack of tuples consisting of genus two nodal curves, simple effective divisors away from the nodes, and twisted fields. It provides a desingularization of the moduli of genus two stable maps to projective…

Algebraic Geometry · Mathematics 2025-09-08 Yi Hu , Jingchen Niu

In this paper, we compute the BP-cohomology of complex projective Stiefel manifolds. The method involves the homotopy fixed point spectral sequence, and works for complex oriented cohomology theories. We also use these calculations and…

Algebraic Topology · Mathematics 2021-09-13 Samik Basu , Debanil Dasgupta

Bisets can be considered as categories. This note uses this point of view to give a simple proof of a Mackey-like formula expressing the tensor product of two induced bimodules.

Group Theory · Mathematics 2009-03-03 Serge Bouc

The article introduces a new algorithm for solving a class ofequilibrium problems involving strongly pseudomonotone bifunctions with Lipschitz-type condition. We describe how to incorporate the proximal-like regularized technique with…

Optimization and Control · Mathematics 2018-04-26 Dang Van Hieu

Consider a holomorphic torus action on vector bundles over a complex manifold which lifts to a holomorphic vector bundle. When the connected components of the fixed-point set are partially ordered, we construct, using sheaf-theoretical…

Algebraic Geometry · Mathematics 2007-05-23 Siye Wu

We construct a (bi)cyclic sieving phenomenon on the union of dominant maximal weights for level $\ell$ highest weight modules over an affine Kac-Moody algebra with exactly one highest weight being taken for each equivalence class, in a way…

Representation Theory · Mathematics 2019-09-17 Young-Hun Kim , Se-jin Oh , Young-Tak Oh

We connect the homotopy type of simplicial moduli spaces of algebraic structures to the cohomology of their deformation complexes. Then we prove that under several assumptions, mapping spaces of algebras over a monad in an appropriate…

Algebraic Topology · Mathematics 2015-07-20 Sinan Yalin

In this paper we introduce the theory of multiplication alteration by two-cocycles for nonassociative structures like nonassociative bimonoids with left (right) division. Also we explore the connections between Yetter-Drinfeld modules for…

Rings and Algebras · Mathematics 2018-04-17 J. N. Alonso Álvarez , J. M. Fernández Vilaboa , R. González Rodríguez

We introduce a notion of Hochschild Lefschetz class for a good coherent D-module on a compact complex manifold, and prove that this class is compatible with the direct image functor. We prove an orbifold Riemann-Roch formula for a D-module…

K-Theory and Homology · Mathematics 2014-03-18 Ajay Ramadoss , Xiang Tang , Hsian-hua Tseng

In this paper we first show that every non-zero $\tau$-rigid $A$-module induces at least one stratifying system in the module category of $A$. Moreover, we show that each of these stratifying systems can be seen as a signed…

Representation Theory · Mathematics 2020-05-28 Octavio Mendoza , Hipolito Treffinger

We propose a simple injective resolution for the Hochschild complex of the Weyl algebra. By making use of this resolution, we derive explicit expressions for nontrivial cocycles of the Weyl algebra with coefficients in twisted bimodules as…

Mathematical Physics · Physics 2017-09-07 Alexey A. Sharapov , Evgeny D. Skvortsov

This paper introduces a new method to solve the problem of the approximation of the diagonal for face-coherent families of polytopes. We recover the classical cases of the simplices and the cubes and we solve it for the associahedra, also…

Algebraic Topology · Mathematics 2019-02-22 Naruki Masuda , Hugh Thomas , Andy Tonks , Bruno Vallette

We continue the development of axion monodromy inflation, focussing in particular on the backreaction of complex structure moduli. In our setting, the shift symmetry comes from a partial large complex structure limit of the underlying type…

High Energy Physics - Theory · Physics 2015-08-12 Arthur Hebecker , Patrick Mangat , Fabrizio Rompineve , Lukas T. Witkowski

In this paper we study categories of tilting modules. Our starting point is the tilting modules for a reductive algebraic group G in positive characteristic. Here we extend the main result in [8] by proving that these tilting modules form a…

Representation Theory · Mathematics 2020-02-27 Henning Haahr Andersen

For a multiplicative cohomology theory E, complex orientations are in bijective correspondence with multiplicative natural transformations to E from complex bordism cohomology MU. If E is represented by a spectrum with a highly structured…

Algebraic Topology · Mathematics 2017-08-09 Michael J. Hopkins , Tyler Lawson

In this paper we prove the homotopy lifting property for symmetric products $SP_{m}(X)$ and $F_{m}(X)$, with $X$ a Hausdorff topological space. Furthermore, we introduce a new tool, the theory of topological puzzles, to get a useful…

Algebraic Topology · Mathematics 2024-04-18 Eduardo Blanco-Gómez

Stabilization of manifolds by a product of spheres or a projective space is important in geometry. There has been considerable recent work that studies the homotopy theory of stabilization for connected manifolds. This paper generalizes…

Algebraic Topology · Mathematics 2025-04-15 Ruizhi Huang , Stephen Theriault

A remarkable property of nastic, shape changing plants is their complete fusion between actuators and structure. This is achieved by combining a large number of cells whose geometry, internal pressures and material properties are optimized…

Quantitative Methods · Quantitative Biology 2015-07-20 Markus Pagitz , Manuel Pagitz , C. Hühne

By complexifying a Hamiltonian system one obtains dynamics on a holomorphic symplectic manifold. To invert this construction we present a theory of real forms which not only recovers the original system but also yields different real…

Symplectic Geometry · Mathematics 2025-01-03 Philip Arathoon , Marine Fontaine

We define and study a class of entwined modules (stable anti-Yetter-Drinfeld modules) that serve as coefficients for the Hopf-cyclic homology and cohomology. In particular, we explain their relationship with Yetter-Drinfeld modules and…

Quantum Algebra · Mathematics 2016-09-07 Piotr M. Hajac , Masoud Khalkhali , Bahram Rangipour , Yorck Sommerhaeuser