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We take the trace of Von-Neumann's ergodic theorem and get a trace formula of a unitary matrix family. It is an extension of Poisson summation formula in higher dimension. We also construct a family of crystalline measure with complex…

Mathematical Physics · Physics 2025-05-22 Tianhong Zhao

Derivations of twisted loop algebras of minimal Q-graded subalgebras of semisimple Lie algebras are investigated, and a decomposition formula of the derivation algebra is obtained. Homogenous almost inner derivations of twisted loop…

Representation Theory · Mathematics 2025-12-17 Yaxin Shen , Xiandong Wang

A twisted torus link $T(p,q,r,s)$ is obtained by performing $s$ full twists on $r$ adjacent strands of the $(p,q)$-torus link. In this paper, we classify twisted torus links that are unlinks. We give a complete characterization of all…

Geometric Topology · Mathematics 2026-02-05 Hong Chang , Thiago de Paiva , Qing Lan

The note contains a short elementary proof of Cayley's formula for labeled trees.

Combinatorics · Mathematics 2026-03-19 Victoria Feldman

We describe a simple geometrical derivation of the formula for reflection of light from a uniformly moving plane mirror directly from the postulates of special relativity.

General Physics · Physics 2009-04-06 Aleksandar Gjurchinovski , Aleksandar Skeparovski

In this paper we introduce the notion of twisted symplectic reflection algebras and describe the category of representations of such an algebra associated to a non-faithful G-action in terms of those for faithful actions of G.

Representation Theory · Mathematics 2007-05-23 Tatyana Chmutova

We construct nontrivial roots of Dehn twists about nonseparating curves.

Geometric Topology · Mathematics 2014-11-11 Dan Margalit , Saul Schleimer

The purpose of this short article is to prove a product formula relating the log Gromov-Witten invariants of $V \times W$ with those of $V$ and $W$ in the case the log structure on $V$ is trivial.

Algebraic Geometry · Mathematics 2017-01-18 Y. -P. Lee , F. Qu

It is shown that the formula for the variance of combined series yields surprisingly simple proofs of some well known variance bounds.

Other Statistics · Statistics 2017-04-24 R. Sharma

We prove a Duistermaat-Guillemin trace formula for transversally elliptic operators on a compact foliated manifold.

Differential Geometry · Mathematics 2007-05-23 Yuri A. Kordyukov

We present a generalization of a formula of higher order derivatives and give a short proof.

Classical Analysis and ODEs · Mathematics 2016-06-28 Ulrich Abel

In this work we provide explicit calculations that support the conclusions stated in Phys. Rev. Lett. 111, 039102 (2013) (comment), regarding recent literature on transverse polarization. We also compare and contrast two methods of deriving…

High Energy Physics - Phenomenology · Physics 2015-06-16 A. Harindranath , Rajen Kundu , Asmita Mukherjee

We give a formula for Alexander polynomials of doubly primitive knots.

Geometric Topology · Mathematics 2007-05-23 Kazuhiro Ichihara , Toshio Saito , Masakazu Teragaito

We present a simpler proof of Naji's characterization of circle graphs.

Combinatorics · Mathematics 2023-11-14 Jim Geelen , Edward Lee

In this paper, we give a class of reconstructible graphs.

Combinatorics · Mathematics 2007-05-23 Tetsuya Hosaka

We present an elliptic version of Selberg's integral formula.

Quantum Algebra · Mathematics 2007-05-23 Giovanni Felder , Laura Stevens , Alexander Varchenko

In this paper we calculate the curvature of the Hitchin connection. We further show that a slight (possibly trivial) modification of the Hitchin connection has curvature equal to an explict given multiple of the Weil-Petersen symplectic…

Differential Geometry · Mathematics 2016-09-06 Jørgen Ellegaard Andersen , Niccolo Skovgård Poulsen

We present a conjecture about partitions, with a very elementary formulation.

Combinatorics · Mathematics 2007-05-23 Michel Lassalle

A natural generalization of Krein's theorem to a pair of commuting tuples $\left(H_1^0,H_2^0\right)$ and $\left(H_1,H_2\right)$ of bounded self-adjoint operators in a separable Hilbert space $\mathcal{H}$ with $H_j-H_j^0 = V_j\in…

Functional Analysis · Mathematics 2014-05-07 Arup Chattopadhyay , Kalyan B. Sinha

We show that the distributions occurring in the geometric and spectral side of the twisted Arthur-Selberg trace formula extend to non-compactly supported test functions. The geometric assertion is modulo a hypothesis on root systems proven…

Number Theory · Mathematics 2019-04-11 Abhishek Parab