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The aim of this paper is to show that various known characterizations of traces on classical pseudodifferentials operators (PsiDOs) can actually be obtained by very elementary considerations on PsiDOs, using only basic properties of these…

Analysis of PDEs · Mathematics 2010-09-17 Raphael Ponge

In this work we develop a discrete trace theory that spans non-conforming hybrid discretization methods and holds on polytopal meshes. A notion of a discrete trace seminorm is defined, and trace and lifting results with respect to a…

Numerical Analysis · Mathematics 2025-05-13 Santiago Badia , Jerome Droniou , Jai Tushar

A "simple trace formula" is used to derive an asymptotic result for class numbers of complex cubic orders.

Number Theory · Mathematics 2009-11-10 Anton Deitmar , Werner Hoffmann

In recent years several classes of structured matrices are extended to classes of tensors in the context of tensor complementarity problem. The tensor complementarity problem is a class of nonlinear complementarity problem where the…

Optimization and Control · Mathematics 2022-09-02 R. Deb , A. K. Das

We consider the problem of estimating the trace and diagonal entries of an N-order tensor (where $N \geq 2$) under the framework where the tensor can only be accessed through tensor-vector multiplication. The aim is to estimate the tensor's…

Numerical Analysis · Mathematics 2025-10-28 Bhisham Dev Verma , Rameshwar Pratap , Keegan Kang

Let $A$ be an $m\times m$ positive semidefinite block matrix with each block being $n$-square. We write $\mathrm{tr}_1$ and $\mathrm{tr}_2$ for the first and second partial trace, respectively. In this paper, we prove the following…

Functional Analysis · Mathematics 2021-12-23 Yongtao Li , Weijun Liu , Yang Huang

We give a new, simple proof of the trace formula for Hecke operators on modular forms for finite index subgroups of the modular group. The proof uses algebraic properties of certain universal Hecke operators acting on period polynomials of…

Number Theory · Mathematics 2017-06-09 Alexandru A. Popa

In this paper, we first present simple proofs of Choi's results [4], then we give a short alternative proof for Fiedler and Markham's inequality [6]. We also obtain additional matrix inequalities related to partial determinants.

Functional Analysis · Mathematics 2020-03-16 Yongtao Li , Lihua Feng , Zheng Huang , Weijun Liu

The method of partial derivatives is one of the most successful lower bound methods for arithmetic circuits. It uses as a complexity measure the dimension of the span of the partial derivatives of a polynomial. In this paper, we consider…

Computational Complexity · Computer Science 2017-06-01 Ignacio Garcia-Marco , Pascal Koiran , Timothée Pecatte , Stéphan Thomassé

We prove an exact trace formula for the Laplacian with a delta potential - also known as a point scatterer - on a non-compact hyperbolic surface of finite volume with one cusp. Our formula is an analogue of the Selberg trace formula. We…

Mathematical Physics · Physics 2012-03-12 Henrik Ueberschaer

In the initial conditions of the $3 + 1$ formalism for numerical relativity, the transverse and trace-free (TT) part of the extrinsic curvature plays a key role. We know that TT tensors possess two degrees of freedom per space point.…

General Relativity and Quantum Cosmology · Physics 2016-03-21 Rory Conboye , Niall Ó Murchadha

We consider an algebra of even-order square tensors and introduce a stretching map which allows us to represent tensors as matrices. The stretching map could be understood as a generalized matricization. It conserves algebraic properties of…

Representation Theory · Mathematics 2023-02-08 Vyacheslav Futorny , Mikhail Neklyudov , Kaiming Zhao

Tensor completion is a problem of filling the missing or unobserved entries of partially observed tensors. Due to the multidimensional character of tensors in describing complex datasets, tensor completion algorithms and their applications…

Machine Learning · Statistics 2018-05-04 Qingquan Song , Hancheng Ge , James Caverlee , Xia Hu

We define a zeta function woth respect to the twisted Grover matrix of a mixed digraph, and present an exponential expression and a determinant expression of this zeta function. As an application, we give a trace formula with respect to the…

Combinatorics · Mathematics 2021-05-07 Takashi Komatsu , Sho Kubota , Norio Konno , Iwao Sato

A univariate trace polynomial is a polynomial in a variable x and formal trace symbols Tr(x^j). Such an expression can be naturally evaluated on matrices, where the trace symbols are evaluated as normalized traces. This paper addresses…

Rings and Algebras · Mathematics 2021-06-03 Igor Klep , James Eldred Pascoe , Jurij Volčič

In this paper, we describe the entire structure of the vector space $Sym_2^0$ of all symmetric matrices of size $2$ having trace zero. This is motivated by the geometrical interpretation of any arbitrary element of $Sym_2^0$. We further…

Rings and Algebras · Mathematics 2024-03-19 Arijit Mukherjee

In this paper we propose a general spectral theory for tensors. Our proposed factorization decomposes a tensor into a product of orthogonal and scaling tensors. At the same time, our factorization yields an expansion of a tensor as a…

Spectral Theory · Mathematics 2012-02-21 Edinah K. Gnang , Ahmed Elgammal , Vladimir Retakh

In this paper, we introduce a new type of coupled fixed point theorem in partially ordered complete metric space. We give an example to support of our result.

General Topology · Mathematics 2017-03-31 Isa Yildirim

It is a well-known fact that the first and last non-trivial coefficients of the characteristic polynomial of a linear operator are respectively its trace and its determinant. This work shows how to compute recursively all the coefficients…

Mathematical Physics · Physics 2007-05-23 Ronaldo Rodrigues Silva

We develop the dimension theory for a class of linear solenoids, which have a "fractal" attractor. We will find the dimension of the attractor, proof formulas for the dimension of ergodic measures on this attractor and discuss the question…

Dynamical Systems · Mathematics 2018-07-16 Jörg Neunhäuserer