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We consider slice filtrations in logarithmic motivic homotopy theory. Our main results establish conjectured compatibilities with the Beilinson, BMS, and HKR filtrations on (topological, log) Hochschild homology and related invariants. In…

Algebraic Geometry · Mathematics 2025-08-20 Federico Binda , Doosung Park , Paul Arne Østvær

We introduce a new system of equations coupling K\"ahler-Einstein and Hermitian-Yang-Mills equations. We provide a moment map interpretation of these equations. We identify a Futaki type invariant as an obstruction to the existence of…

Differential Geometry · Mathematics 2022-12-20 Kartick Ghosh

In this paper we study the maximal subspaces of continuous n-homogeneous polynomials on complex and real non separable Banach spaces. In the real case we will prove that if P is a 2-homogeneous polynomial and if there exist a k-dimensional…

Functional Analysis · Mathematics 2020-03-24 Carlos A. S. Soares

In previous works, we introduced and studied certain categories called quasi-BPS categories associated to symmetric quivers with potential, preprojective algebras, and local surfaces. They have properties reminiscent of BPS invariants/…

Algebraic Geometry · Mathematics 2026-03-27 Tudor Pădurariu , Yukinobu Toda

We initiate and develop the theory of complex harmonic maps to holomorphic Riemannian symmetric spaces, which we make use of to study complex analytic aspects of higher Teichm\"uller theory, with a focus on rank $2$ Hitchin components.…

Differential Geometry · Mathematics 2025-06-16 Christian El Emam , Nathaniel Sagman

We describe the package "IncidenceCorrespondenceCohomology" for the computer algebra system Macaulay2. The main feature concerns the computation of characters and dimensions for the cohomology groups of line bundles on the incidence…

Algebraic Geometry · Mathematics 2025-03-25 Annet Kyomuhangi , Emanuela Marangone , Claudiu Raicu , Ethan Reed

We provide a unified geometric realization of the classical deformation complexes. We construct GL-equivariant bilinear incidence varieties whose diagonal slices recover the varieties of associative, commutative, Leibniz, and Lie algebra…

Rings and Algebras · Mathematics 2025-11-24 Atabey Kaygun

We present a construction (and classification) of certain invariant 2-forms on the real symplectic group. They are used to define a symplectic form on the quotient by a maximal torus and to "lift" a symplectic structure from a symplectic…

Differential Geometry · Mathematics 2018-04-02 Andrzej Czarnecki

The purpose of this article is to propose a new method to define and calculate path integrals over metrics on a K\"ahler manifold. The main idea is to use finite dimensional spaces of Bergman metrics, as an approximation to the full space…

High Energy Physics - Theory · Physics 2013-01-15 Frank Ferrari , Semyon Klevtsov , Steve Zelditch

In this paper we prove the Gromov--Milman conjecture (the Dvoretzky type theorem) for homogeneous polynomials on $\mathbb R^n$, and improve bounds on the number $n(d,k)$ in the analogous conjecture for odd degrees $d$ (this case is known as…

Metric Geometry · Mathematics 2011-07-06 V. L. Dol'nikov , R. N. Karasev

Recently, Beresnevich, Vaughan, Velani, and Zorin (arXiv: 1506.09049) gave some sufficient conditions for a manifold to be of Khinchin type for convergence. We show that their techniques can be used in a more optimal way to yield stronger…

Number Theory · Mathematics 2016-02-05 David Simmons

The little Grothendieck theorem for Banach spaces says that every bounded linear operator between $C(K)$ and $\ell_2$ is 2-summing. However, it is shown in \cite{J05} that the operator space analogue fails. Not every cb-map $v : \K \to OH$…

Functional Analysis · Mathematics 2007-11-08 Marius Junge , Hun Hee Lee

Let $k$ be a local field with valuation ring $O_k$ and residue field $\overline{k}$. We extend Hahn--Banach theorem for the class of seminormed $k$-vector spaces to several classes of locally convex spaces and subspaces over $k$, $O_k$, and…

Number Theory · Mathematics 2016-03-23 Tomoki Mihara

Considering the successful theory of multiple summing multilinear operators as a prototype, we introduce the classes of multiple Cohen strongly p-summing multilinear operators and polynomials. The adequacy of these classes under the…

Functional Analysis · Mathematics 2012-09-05 Jamilson Ramos Campos

In this note, we present an optimal $L^2$ extension theorem for holomorphic vector bundles with smooth hermitian metrics for continuous gain on weakly pseudoconvex K\"{a}hler manifolds, which is a unified version of the optimal $L^2$…

Complex Variables · Mathematics 2023-08-14 Qi'an Guan , Zhitong Mi , Zheng Yuan

We develop a ready-to-use comprehensive theory for (super) 2-vector bundles over smooth manifolds. It is based on the bicategory of (super) algebras, bimodules, and intertwiners as a model for 2-vector spaces. We discuss symmetric monoidal…

Differential Geometry · Mathematics 2022-09-12 Peter Kristel , Matthias Ludewig , Konrad Waldorf

In the paper [1] considered a new class of quaternionic mappings, so-called $G$-monogenic mappings. In this paper we prove analogues of classical integral theorems of the holomorphic function theory: the Cauchy integral theorems for surface…

Complex Variables · Mathematics 2014-12-18 V. S. Shpakivskyi , T. S. Kuzmenko

We prove a vanishing theorem for the cohomology of the complement of a complex hyperplane arrangement with coefficients in a complex local system. This result is compared with other vanishing theorems, and used to study Milnor fibers of…

Algebraic Geometry · Mathematics 2007-05-23 D. Cohen , A. Dimca , P. Orlik

We study the space of orthogonally additive $n$-homogeneous polynomials on $C(K)$. There are two natural norms on this space. First, there is the usual supremum norm of uniform convergence on the closed unit ball. As every orthogonally…

Functional Analysis · Mathematics 2018-07-10 Christopher Boyd , Raymond A. Ryan , Nina Snigireva

We establish two-point distortion theorems for sense-preserving planar harmonic mappings $f=h+\overline{g}$ which satisfies the univalence criteria in the unit disc such that, Becker's and Nehari`s harmonic version. In addition, we find the…

Complex Variables · Mathematics 2022-08-08 Víctor Bravo , Rodrigo Hernández , Osvaldo Venegas