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We give equivalences between given properties of a commutative ring, and other properties on its ring of Witt vectors. Amongst them, we characterise all commutative rings whose rings of Witt vectors are Noetherian. We define a new category…

Commutative Algebra · Mathematics 2025-03-27 Rubén Muñoz--Bertrand

We show that various flavors of Witt vectors are functorial with respect to multiplicative polynomial laws of finite degree. We then deduce that the $p$-typical Witt vectors are functorial in multiplicative polynomial maps of degree at most…

Algebraic Topology · Mathematics 2020-10-19 Emanuele Dotto , Kristian Moi , Irakli Patchkoria

This article is devoted to the study of several algebras which are related to symmetric functions, and which admit linear bases labelled by various combinatorial objects: permutations (free quasi-symmetric functions), standard Young…

Combinatorics · Mathematics 2013-02-12 G. Duchamp , F. Hivert , J. -Y. Thibon

For a prime $p$ and a commutative ring $R$ with unity, let $W(R)$ denote the group of $p$-typical Witt vectors. The group $W(R)$ is endowed with a Verschiebung operator $V: W(R)\to W(R)$ and a Teichm\"{u}ller map $\langle \ \rangle:…

Number Theory · Mathematics 2026-01-29 Supriya Pisolkar , Biswanath Samanta

Zeta functions of periodic cubical lattices are explicitly derived by computing all the eigenvalues of the adjacency operators and their characteristic polynomials. We introduce cyclotomic-like polynomials to give factorization of the zeta…

Combinatorics · Mathematics 2020-02-28 Yasuaki Hiraoka , Hiroyuki Ochiai , Tomoyuki Shirai

This paper studies relationships between the order reductions of ordinary differential equations derived by the existence of $\lambda$-symmetries, telescopic vector fields and some nonlocal symmetries obtained by embedding the equation in…

Classical Analysis and ODEs · Mathematics 2013-01-01 Concepción Muriel , Juan Luis Romero

We introduce a lattice symmetry relation for field theories with general linear symmetries. For chiral symmetry the well-known Ginsparg-Wilson relation is reproduced. The new relation encodes the remnant of the original symmetry on the…

High Energy Physics - Lattice · Physics 2010-01-21 Georg Bergner , Falk Bruckmann , Jan M. Pawlowski

We propose a new definition of a transverse-momentum-dependent (TMD) wave function with simpler soft subtraction for $k_T$ factorization of hard exclusive processes. The un-subtracted wave function involves two pieces of non-light-like…

High Energy Physics - Phenomenology · Physics 2015-06-03 Hsiang-nan Li , Yu-Ming Wang

Generalizing the Knizhnik-Zamolodchikov equations, we derive a hierarchy of non-linear Ward identities for affine-Virasoro correlators. The hierarchy follows from null states of the Knizhnik-Zamolodchikov type and the assumption of…

High Energy Physics - Theory · Physics 2008-11-26 M. B. Halpern , N. A. Obers

We introduce a general construction on 2-monads. We develop background on maps of 2-monads, their left semi-algebras, and colimits in 2-category. Then, we introduce the construction of a colimit induced by a map of 2-monads, show that we…

Category Theory · Mathematics 2021-02-09 Martin Hyland , Christine Tasson

Using linear functional-based duality of modules, we generalize the syndrome decoding algorithm of linear codes over finite fields to those over finite commutative rings. Moreover, If the ring is local the algorithm is simplified by…

Information Theory · Computer Science 2014-10-14 Asmae Drhima , Mustapha Najmeddine

A functor on compact Hausdorf spaces is constructed as the sum of certain equivariant K-theory groups. It is shown that the functor takes values in lambda-rings and satisfies a Thom isomorphism. In the case that the space is a CW-complex…

Algebraic Topology · Mathematics 2013-09-18 Joseph C. Johnson

We investigate the problem of mapping, through the Morita equivalence, odd dimensional noncommutative lattice gauge theories onto suitable matrix models. We specialize our analysis to noncommutative three dimensional QED (NCQED) and scalar…

High Energy Physics - Theory · Physics 2008-11-26 F. Bazzocchi , M. Cirafici , C. Maccaferri , S. Profumo

We show that the ring of multisymmetric functions over a commutative ring is isomorphic to the ring generated by the coefficients of the characteristic polynomial of polynomials in commuting generic matrices. As a consequence we give a…

Algebraic Geometry · Mathematics 2007-06-13 Francesco Vaccarino

This article addresses the problem of existence of local factors, i.e., the root numbers and L-functions attached to representations of reductive groups over local fields and irreducible finite dimensional representations of their L-groups,…

Number Theory · Mathematics 2017-10-13 Freydoon Shahidi

The structure of the category of matroids and strong maps is investigated: it has coproducts and equalizers, but not products or coequalizers; there are functors from the categories of graphs and vector spaces, the latter being faithful;…

Category Theory · Mathematics 2020-12-03 Chris Heunen , Vaia Patta

Based on the recent work \cite{PII} we put forward a new type of transformation for Lorentzian manifolds characterized by mapping every causal future-directed vector onto a causal future-directed vector. The set of all such transformations,…

General Relativity and Quantum Cosmology · Physics 2017-08-23 Alfonso García-Parrado , José M. M. Senovilla

Consider the algebra Q<<x_1,x_2,...>> of formal power series in countably many noncommuting variables over the rationals. The subalgebra Pi(x_1,x_2,...) of symmetric functions in noncommuting variables consists of all elements invariant…

Combinatorics · Mathematics 2007-05-23 Mercedes H. Rosas , Bruce E. Sagan

Using soft collinear effective field theory, we derive the factorization theorem for the quasi-transverse-momentum-dependent (quasi-TMD) operator. We check the factorization theorem at one-loop level and compute the corresponding…

High Energy Physics - Phenomenology · Physics 2020-05-06 Alexey A. Vladimirov , Andreas Schäfer

In this article is studied the construction of free operads functor, for the symmetric and non-symmetric case. In order to do this, the operads are seen as monoids on the differential graded modules category. In the last part we show some…

Category Theory · Mathematics 2020-05-15 Jesus Sanchez-Guevara
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