Amir Hashemi

dblp:97/1251 · DBLP profile ↗
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29ranked-venue papers
19as first author
10since 2021 · last 2025
0000-0002-0440-8623ORCID · corroborated

Domains — the database's venue-derived domains; a paper can count in several

Theory of computation · 28 · 19 first-author · 9 since 2021Graphics, computer vision, multimedia, augmented reality and games · 1 · 1 since 2021
YearPublicationVenuePosition
2025 A new algorithm for Gröbner bases conversion
Amir Hashemi, Deepak Kapur
J. Symb. Comput.1
2025 Machine learning parameter systems, Noether normalisations and quasi-stable positions
abstract
We discuss the use of machine learning models for finding “good coordinates” for polynomial ideals. Our main goal is to put ideals into quasi-stable position, as this generic position shares most properties of the generic initial ideal, but can be deterministically reached and verified. Furthermore, it entails a Noether normalisation and provides us with a system of parameters. Traditional approaches use either random choices which typically destroy all sparsity or rather simple human heuristics which are only moderately successful. Our experiments show that machine learning models provide us here with interesting alternatives that most of the time make nearly optimal choices.
Amir Hashemi, Mahshid Mirhashemi, Werner M. Seiler
J. Symb. Comput.1
2025 Computing finite and infinite free resolutions with Pommaret-like bases
Amir Hashemi, Matthias Orth, Werner M. Seiler
J. Symb. Comput.1
2023 On the Complexity of Linear Algebra Operations over Algebraic Extension Fields
Amir Hashemi, Daniel Lichtblau
CASC1
2023 A new algorithm for computing staggered linear bases
Amir Hashemi, H. Michael Möller
J. Symb. Comput.1
2023 Recursive structures in involutive bases theory
Amir Hashemi, Matthias Orth, Werner M. Seiler
J. Symb. Comput.1
2022 Computation of Macaulay constants and degree bounds for Gröbner bases
Amir Hashemi, Hossein Parnian, Werner M. Seiler
J. Symb. Comput.1
2021 Compact Packings of the Plane with Three Sizes of Discs
Thomas Fernique, Amir Hashemi, Olga Sizova
Discret. Comput. Geom.2
2021 Computing the resolution regularity of bi-homogeneous ideals
Nasibeh Aramideh, Amir Hashemi, Werner M. Seiler
J. Symb. Comput.2
2021 On Bézout inequalities for non-homogeneous polynomial ideals
Amir Hashemi, Joos Heintz, Luis M. Pardo, Pablo Solernó
J. Symb. Comput.1
2020 Intrinsic Complexity for Constructing Zero-Dimensional Gröbner Bases
Amir Hashemi, Joos Heintz, Luis M. Pardo, Pablo Solernó
CASC1
2020 Dimension and depth dependent upper bounds in polynomial ideal theory
Amir Hashemi, Werner M. Seiler
J. Symb. Comput.1
2020 Deterministic normal position transformation and its applications
Benyamin M.-Alizadeh, Amir Hashemi
Theor. Comput. Sci.2
2019 Parametric Standard Bases and Their Applications
Amir Hashemi, Mahsa Kazemi
CASC1
2018 Computation of Pommaret Bases Using Syzygies
Bentolhoda Binaei, Amir Hashemi, Werner M. Seiler
CASC2
2018 Deterministic genericity for polynomial ideals
Amir Hashemi, Michael Schweinfurter, Werner M. Seiler
J. Symb. Comput.1
2017 Dimension-Dependent Upper Bounds for Gröbner Bases
abstract
We improve certain degree bounds for Grobner bases of polynomial ideals in generic position. We work exclusively in deterministically verifiable and achievable generic positions of a combinatorial nature, namely either strongly stable position or quasi stable position. Furthermore, we exhibit new dimension- (and depth-)dependent upper bounds for the Castelnuovo-Mumford regularity and the degrees of the elements of the reduced Grobner basis (w.r.t. the degree reverse lexicographical ordering) of a homogeneous ideal in these positions.
Amir Hashemi, Werner M. Seiler
ISSAC1
2017 Parametric FGLM algorithm
Mahdi Dehghani Darmian, Amir Hashemi
J. Symb. Comput.2
2016 Improved Computation of Involutive Bases
Bentolhoda Binaei, Amir Hashemi, Werner M. Seiler
CASC2
2016 A Note on Dynamic Gröbner Bases Computation
Amir Hashemi, Delaram Talaashrafi
CASC1
2015 Regular Chains under Linear Changes of Coordinates and Applications
Parisa Alvandi, Changbo Chen, Amir Hashemi, Marc Moreno Maza
CASC3
2014 Deterministically Computing Reduction Numbers of Polynomial Ideals
Amir Hashemi, Michael Schweinfurter, Werner M. Seiler
CASC1
2013 Involutive bases algorithm incorporating F5 criterion
Vladimir P. Gerdt, Amir Hashemi, Benyamin M.-Alizadeh
J. Symb. Comput.2
2012 Comprehensive Involutive Systems
Vladimir P. Gerdt, Amir Hashemi
CASC2
2012 Quasi-stability versus Genericity
Amir Hashemi, Michael Schweinfurter, Werner M. Seiler
CASC1
2011 Erratum to "A new algorithm for discussing Gröbner bases with parameters" [J. Symbolic Comput. 33(1-2) (2002) 183-208]
Mahdi Dehghani Darmian, Amir Hashemi, Antonio Montes
J. Symb. Comput.2
2011 Applying IsRewritten criterion on Buchberger algorithm
Amir Hashemi, Benyamin M.-Alizadeh
Theor. Comput. Sci.1
2010 Extended F5 criteria
Amir Hashemi, Gwénolé Ars
J. Symb. Comput.1
2009 Nullstellensätze for Zero-Dimensional Gröbner Bases
Amir Hashemi
Comput. Complex.1