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The spherical Fourier transform on a harmonic Hadamard manifold $(X^n, g)$ of positive volume entropy is studied. If $(X^n, g)$ is of hypergeometric type, namely spherical functions of $X$ are represented by the Gauss hypergeometric…

微分几何 · 数学 2020-05-28 Mitsuhito Itoh , Hiroyasu Satoh

We generalize the notion of an anomaly for a symmetry to a noninvertible symmetry enacted by surface operators using the framework of condensation in 2-categories. Given a multifusion 2-category, potentially with some additional levels of…

范畴论 · 数学 2023-04-03 Thibault D. Décoppet , Matthew Yu

We present a simple way of generating the infinite set of Jacobi tensors, compatible with a given one, via the "gauge transformations" of the functions on Jacobi manifold. We consider also some applications of this result to the…

微分几何 · 数学 2007-05-23 Arthur G. Sergheyev

We study the properties of the energy-momentum tensor of gauge fields coupled to matter in non-commutative (Moyal) space. In general, the non-commutativity affects the usual conservation law of the tensor as well as its transformation…

高能物理 - 理论 · 物理学 2015-06-26 Herbert Balasin , Daniel N. Blaschke , Francois Gieres , Manfred Schweda

An expansion is developed for the Weil-Petersson Riemann curvature tensor in the thin region of the Teichm\"{u}ller and moduli spaces. The tensor is evaluated on the gradients of geodesic-lengths for disjoint geodesics. A precise lower…

微分几何 · 数学 2011-10-05 Scott A. Wolpert

We continue our program initiated in [arXiv:0912.4261] to consider supersymmetric surface operators in a topologically-twisted N=2 pure SU(2) gauge theory, and apply them to the study of four-manifolds and related invariants. Elegant…

高能物理 - 理论 · 物理学 2012-02-10 Meng-Chwan Tan

Generalized inverses of tensors play increasingly important roles in computational mathematics and numerical analysis. It is appropriate to develop the theory of generalized inverses of tensors within the algebraic structure of a ring. In…

环与代数 · 数学 2021-09-24 Ratikanta Behera , Jajati Keshari Sahoo , R. N. Mohapatra , M. Zuhair Nashed

The analysis of contours of scalar fields plays an important role in visualization. For example the contour tree and contour statistics can be used as a means for interaction and filtering or as signatures. In the context of tensor field…

图形学 · 计算机科学 2019-12-03 Talha Bin Masood , Ingrid Hotz

If the integrals of a one-form over all lines meeting a small open set vanish and the form is closed in this set, then the one-form is exact in the whole Euclidean space. We obtain a unique continuation result for the normal operator of the…

泛函分析 · 数学 2021-03-09 Joonas Ilmavirta , Keijo Mönkkönen

The link between 3D spaces with (in general, non-constant) curvature and quantum deformations is presented. It is shown how the non-standard deformation of a sl(2) Poisson coalgebra generates a family of integrable Hamiltonians that…

数学物理 · 物理学 2009-11-11 Angel Ballesteros , Francisco J. Herranz , Orlando Ragnisco

Let V be an n-dimensional vector space and let On be the orthogonal group. Motivated by a question of B. Szegedy (B. Szegedy, Edge coloring models and reflection positivity, Journal of the American Mathematical Society Volume 20, Number 4,…

组合数学 · 数学 2012-09-20 Jan Draisma , Guus Regts

We find obstructions to the existence of Einstein metrics of non-negative sectional curvature on a smooth closed simply connected manifold of any dimension. The results are achieved by combining the classical Morse theory of the loop space…

微分几何 · 数学 2007-05-23 Gabriel Paternain , Jimmy Petean

We demonstrate that the functorial properties of the symplectic field theory under strong cobordisms and surgery cobordisms can produce finite algebraic (planar) torsions from simple examples, which gives a unified treatment of most of the…

辛几何 · 数学 2026-03-09 Zhengyi Zhou

Standard Vision Transformers flatten 2D images into 1D sequences, disrupting the natural spatial topology. While Rotary Positional Embedding (RoPE) excels in 1D, it inherits this limitation, often treating spatially distant patches (e.g.,…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Yupu Yao , Bowen Yang

We study a solenoidal-potential type decomposition of a symmetric $m$-tensor field in $\Rb^2$, and its implications to injectivity questions for the momentum and elastic ray transforms. For symmetric tensor fields, a general decomposition…

偏微分方程分析 · 数学 2026-02-24 Antti Kykkänen , Rohit Kumar Mishra , Suman Kumar Sahoo

A method for deriving the asymptotic behaviour of any physical field is presented. This leads to a geometrically meaningful derivation of the peeling properties for arbitrary values of the cosmological constant. Application to the…

广义相对论与量子宇宙学 · 物理学 2022-08-23 Francisco Fernández-Álvarez , José M. M. Senovilla

We study a gravity solution corresponding to fivebranes wrapped on the $S^2$ of the resolved conifold. By changing a parameter the solution continuously interpolates between the deformed conifold with flux and the resolved conifold with…

高能物理 - 理论 · 物理学 2015-05-13 Juan Maldacena , Dario Martelli

We study inverse boundary problems for first order perturbations of the biharmonic operator on a conformally transversally anisotropic Riemannian manifold of dimension $n \ge 3$. We show that a continuous first order perturbation can be…

偏微分方程分析 · 数学 2020-12-29 Lili Yan

The essentially unique torsionful version of the classical two-component spinor formalisms of Infeld and van der Waerden is presented. All the metric spinors and connecting objects that arise here are formally the same as the ones borne by…

数学物理 · 物理学 2015-01-26 J. G. Cardoso

This paper deals with the problem of describing the vector spaces of divergence-free, natural tensors on a pseudo-Riemannian manifold that are second-order; i.e., that are defined using only second derivatives of the metric. The main result…

微分几何 · 数学 2014-10-16 Jose Navarro