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In this paper, we propose an incremental algorithm for computing cylindrical algebraic decompositions. The algorithm consists of two parts: computing a complex cylindrical tree and refining this complex tree into a cylindrical tree in real…

Symbolic Computation · Computer Science 2012-10-23 Changbo Chen , Marc Moreno Maza

We present a new program package for calculating one-loop Feynman integrals, based on a new method avoiding Feynman parametrization and the contraction due to Passarino and Veltman. The package is calculating one-, two- and three-point…

High Energy Physics - Phenomenology · Physics 2007-05-23 Lars Brucher , Johannes Franzkowski

We introduce the VirtualResolution package for the computer algebra system Macaulay2. This package has tools to construct, display, and study virtual resolutions for products of projective spaces. The package also has tools for generating…

Algebraic Geometry · Mathematics 2021-01-27 Ayah Almousa , Juliette Bruce , Michael C. Loper , Mahrud Sayrafi

An umbral type formalism is used to derive integrals involving products of Laguerre polynomials and other special functions.

Classical Analysis and ODEs · Mathematics 2012-02-10 D. Babusci , G. Dattoli , K. Górska

We describe the computer algebra software package SpectralSequences for the computer algebra system Macaulay2. This package implements many data types, objects and algorithms which pertain to, among other things, filtered complexes,…

Commutative Algebra · Mathematics 2016-10-19 Adam Boocher , Nathan Grieve , Eloísa Grifo

We present a new program package for calculating one-loop Feynman integrals, based on a new method avoiding Feynman parametrization and the contraction due to Passarino and Veltman. The package is calculating one-, two- and three-point…

High Energy Physics - Phenomenology · Physics 2011-04-20 L. Brücher , J. Franzkowski , D. Kreimer

We present an ongoing effort to implement Universal Algebra in the UniMath system. Our aim is to develop a general framework for formalizing and studying Universal Algebra in a proof assistant. By constituting a formal system for isolating…

Logic in Computer Science · Computer Science 2024-12-11 Gianluca Amato , Marco Maggesi , Maurizio Parton , Cosimo Perini Brogi

The purpose of these notes is to provide the details of the Jacobian ring computations carried out in [1], based on the computer algebra system Magma [2].

Algebraic Geometry · Mathematics 2007-09-10 Ralf Gerkmann , Mao Sheng , Kang Zuo

We introduce the Probability package for Macaulay2, which provides an interface for users to compute probabilities and generate random variates from a wide variety of univariate probability distributions.

Algebraic Geometry · Mathematics 2024-06-05 Douglas A. Torrance

The context of this work is the design of a software, called MEMSALab, dedicated to the automatic derivation of multiscale models of arrays of micro- and nanosystems. In this domain a model is a partial differential equation. Multiscale…

Symbolic Computation · Computer Science 2015-03-17 Walid Belkhir , Alain Giorgetti , Michel Lenczner

Cylindrical Algebraic Decomposition (CAD) is an important tool within computational real algebraic geometry, capable of solving many problems for polynomial systems over the reals. It has long been studied by the Symbolic Computation…

Symbolic Computation · Computer Science 2018-11-01 Alexander Imani Cowen-Rivers , Matthew England

We introduce the package LatticePolytopes for Macaulay2. The package provides methods for computations related to Cayley structures, local positivity and smoothness for lattice polytopes.

Algebraic Geometry · Mathematics 2015-11-11 Anders Lundman , Gustav Sædén Ståhl

This note reviews some of the recent work on biharmonic conformal maps (see \cite{OC}, Chapter 11, for a detailed survey). It will be focused on biharmonic conformal immersions and biharmonic conformal maps between manifolds of the same…

Differential Geometry · Mathematics 2019-09-12 Ye-Lin Ou

Family of replica matrices, related to general ultrametric spaces, is introduced. These matrices generalize the known Parisi matrices. Some functionals of replica approach are computed.

Disordered Systems and Neural Networks · Physics 2009-11-11 A. Yu. Khrennikov , S. V. Kozyrev

We show some of the mathematics that is being developed for the computation of deep inelastic structure functions to three loops. These include harmonic sums, harmonic polylogarithms and a class of difference equations that can be solved…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. A. M. Vermaseren , S. Moch

Selected results obtained using THERMUS, a newly-developed statistical-thermal model analysis package, are presented.

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Wheaton , J. Cleymans

The operational calculus associated with special polynomials has proven to be a powerful tool for analyzing and simplifying their properties. This article examines the bivariate degenerate Hermite polynomials with a focus on their…

Classical Analysis and ODEs · Mathematics 2025-09-01 Nusrat Raza , Ujair Ahmad , Subuhi Khan

Many authors have studied the numerical computation of conformal mappings (numerical conformal mapping), and there are nowadays several efficient numerical schemes. Among them, Amano's method offers a straightforward numerical procedure for…

Numerical Analysis · Mathematics 2019-11-25 Koya Sakakibara

We describe a significant update to the existing InvariantRing package for Macaulay2. In addition to expanding and improving the methods of the existing package for actions of finite groups, the updated package adds functionality for…

Commutative Algebra · Mathematics 2024-03-27 Luigi Ferraro , Federico Galetto , Francesca Gandini , Hang Huang , Matthew Mastroeni , Xianglong Ni

Umbral calculus can be viewed as an abstract theory of the Heisenberg commutation relation $[\hat P,\hat M]=1$. In ordinary quantum mechanics $\hat P$ is the derivative and $\hat M$ the coordinate operator. Here we shall realize $\hat P$ as…

Mathematical Physics · Physics 2009-11-13 G. Dattoli , D. Levi , P. Winternitz
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