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This paper is a survey of computational issues in algebraic geometry, with particular attention to the theory of Grobner bases and the regularity of an algebraic variety. 1. A geometric introduction to Grobner bases. 2. An algebraic…

alg-geom · Mathematics 2015-06-30 Dave Bayer , David Mumford

Cylindrical Algebraic Decomposition (CAD) is a key tool in computational algebraic geometry, particularly for quantifier elimination over real-closed fields. However, it can be expensive, with worst case complexity doubly exponential in the…

Symbolic Computation · Computer Science 2017-02-15 Zongyan Huang , Matthew England , James H. Davenport , Lawrence C. Paulson

We give a description of the weighted Reed-Muller codes over a prime field in a modular algebra. A description of the homogeneous Reed-Muller codes in the same ambient space is presented for the binary case. A decoding procedure using the…

Information Theory · Computer Science 2017-01-05 Harinaivo Andriatahiny , Vololona Harinoro Rakotomalala

Splitting invariants describe how a plane curve "splits" by the pull-back under a Galois cover over the projective plane whose branch locus contains no component of the plane curve. They enable us to distinguish the embedded topology of…

Algebraic Geometry · Mathematics 2026-04-29 Taketo Shirane

One of the main contributions which Volker Weispfenning made to mathematics is related to Groebner bases theory. In this paper we present an algorithm for computing all algebraic intermediate subfields in a separably generated unirational…

Symbolic Computation · Computer Science 2008-05-15 Jaime Gutierrez , David Sevilla

We consider interpolation-based decoding of Reed-Solomon codes using the Guruswami-Sudan algorithm (GSA) and investigate the effects of two modification techniques for received vectors, i.e., the re-encoding map and the newly introduced…

Information Theory · Computer Science 2013-10-01 Christian Senger

Graph pooling is a crucial operation for encoding hierarchical structures within graphs. Most existing graph pooling approaches formulate the problem as a node clustering task which effectively captures the graph topology. Conventional…

Artificial Intelligence · Computer Science 2023-10-12 Sung Moon Ko , Sungjun Cho , Dae-Woong Jeong , Sehui Han , Moontae Lee , Honglak Lee

For many transitions, atomic data, such as the oscillator strength (log(gf)) and the central wavelength of the line, are poorly constrained or even unknown. We present and test a new inversion method that infers atomic line parameters and…

Solar and Stellar Astrophysics · Physics 2024-06-19 D. Vukadinović , H. N. Smitha , A. Korpi-Lagg , M. van Noort , J. S. Castellanos Durán , S. K. Solanki

We present a novel technique for encoding and decoding constant weight binary codes that uses a geometric interpretation of the codebook. Our technique is based on embedding the codebook in a Euclidean space of dimension equal to the weight…

Combinatorics · Mathematics 2014-09-17 Chao Tian , Vinay A. Vaishampayan , N. J. A. Sloane

Although Buchberger's algorithm, in theory, allows us to compute Gr\"obner bases over any field, in practice, however, the computational efficiency depends on the arithmetic of the ground field. Consider a field $K = \mathbb{Q}(\alpha)$, a…

Commutative Algebra · Mathematics 2015-08-06 Dereje Kifle Boku , Claus Fieker , Wolfram Decker , Andreas Steenpass

Cylindrical algebraic decomposition (CAD) is an important tool for the study of real algebraic geometry with many applications both within mathematics and elsewhere. It is known to have doubly exponential complexity in the number of…

Symbolic Computation · Computer Science 2013-07-10 Russell Bradford , James H. Davenport , Matthew England , David Wilson

In this article we extend the theory of the binary codes (the strict code $\mathcal{K}$ and the extended code $\mathcal{K}'$), associated to a projective nodal surface, to a coding theory for normal surfaces, with special consideration of…

Algebraic Geometry · Mathematics 2025-08-25 Fabrizio Catanese

In this paper we present a new methodology for solving multiobjective integer linear programs using tools from algebraic geometry. We introduce the concept of partial Gr\"obner basis for a family of multiobjective programs where the…

Optimization and Control · Mathematics 2008-06-19 Victor Blanco , Justo Puerto

Grover's algorithm is usually described in terms of the iteration of a compound operator of the form $Q = - H I_{0} H I_{x_0}$. Although it is quite straightforward to verify the algebra of the iteration, this gives little insight into why…

Quantum Physics · Physics 2007-05-23 Richard Jozsa

In this paper, we study algebraic geometry codes from curves over $\mathbb{F}_{q^\ell}$ through their virtual projections which are algebraic geometric codes over $\mathbb{F}_q$. We use the virtual projections to provide fractional decoding…

Information Theory · Computer Science 2024-04-11 Eduardo Camps-Moreno , Gretchen L. Matthews , Welington Santos

We provide first the functional analysis background required for reduced order modeling and present the underlying concepts of reduced basis model reduction. The projection-based model reduction framework under affinity assumptions,…

Numerical Analysis · Mathematics 2023-08-30 Gianluigi Rozza , Martin Hess , Giovanni Stabile , Marco Tezzele , Francesco Ballarin

In this paper, we examine the structure of systems that are weighted homogeneous for several systems of weights, and how it impacts the computation of Gr\"obner bases. We present several linear algebra algorithms for computing Gr\"obner…

Symbolic Computation · Computer Science 2024-04-09 Thibaut Verron

One studies a particular algebraic system where the unknowns are matrices. We solve this system according to the parameters values thanks to the theory of Grobner basis.

Rings and Algebras · Mathematics 2007-08-24 Gerald Bourgeois

Encoding 3D points is one of the primary steps in learning-based implicit scene representation. Using features that gather information from neighbors with multi-resolution grids has proven to be the best geometric encoder for this task.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Arihant Gaur , G. Dias Pais , Pedro Miraldo

We give an algorithm to compute inhomogeneous differential equations for definite integrals with parameters. The algorithm is based on the integration algorithm for $D$-modules by Oaku. Main tool in the algorithm is the Gr\"obner basis…

Algebraic Geometry · Mathematics 2010-07-15 Hiromasa Nakayama , Kenta Nishiyama