Patera, Jiri
- Professeur honoraire
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Faculté des arts et des sciences - Département de mathématiques et de statistique
André-Aisenstadt
Courriels
Affiliations
- Membre Centre de recherches mathématiques
- Membre CRM Centre de recherches mathématiques
Expertise
Les nouvelles recherches que nous effectuons en quasicristallographie représente depuis peu une part importante de l'ensemble de nos recherches.
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Projets de recherche Tout déplier Tout replier
Supplément COVID-19 CRSNG_Fourier transforms on multidimensional lattices and their exploitation in physics CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG) / 2020 - 2021
Deep learning based approaches for hard and soft data fusion towards better maritime domain awareness MITACS Inc. / 2020 - 2020
Hard and Soft Information Fusion to Aid Situation Understanding OODA Technologies inc. / 2018 - 2019
Fourier transforms on multidimensional lattices and their exploitation in physics CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG) / 2016 - 2023
CENTRE DE RECHERCHES MATHEMATIQUES (CRM) FRQNT/Fonds de recherche du Québec - Nature et technologies (FQRNT) / 2015 - 2023
(BOURSE ZOFIA GRABOWIECKA) EXPLOITATION OF SPECIAL FUNCTIONS ORTHOGONAL ON FINITE DOMAINS OF 2D AND 3D LATTICES-FOURIER EXPANSIONS OF FUNCTIONS SAMPLED ON LATTICES FRQNT/Fonds de recherche du Québec - Nature et technologies (FQRNT) / 2014 - 2014
(BOURSE LENKA MOTLOCHOVA) EXPLOITATION OF SPECIAL FUNCTIONS ORTHOGONAL ON FINITE DOMAINS OF 2D AND 3D LATTICES-FOURIER EXPANSIONS OF FUNCTIONS SAMPLED ON LATTICES FRQNT/Fonds de recherche du Québec - Nature et technologies (FQRNT) / 2013 - 2015
(BOURSE MARZENA SZAJEWSKA) EXPLOITATION OF SPECIAL FUNCTIONS ORTHOGONAL ON FINITE DOMAINS OF 2D AND 3D LATTICES-FOURIER EXPANSIONS OF FUNCTIONS SAMPLED ON LATTICES FRQNT/Fonds de recherche du Québec - Nature et technologies (FQRNT) / 2013 - 2015
COMPUTATIONAL RESOURCES FOR RESEARCH IN MATHEMATICS AND STATISTICS CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG) / 2013 - 2015
EXPLOITATION OF SPECIAL FUNCTIONS ORTHOGONAL ON FINITE DOMAINS OF 2D AND 3D LATTICES-FOURIER EXPANSIONS OF FUNCTIONS SAMPLED ON LATTICES Innovation, Sciences et Développement économique Canada / 2013 - 2015
(BOURSE AGNIESZKA MARIA TERESZKIEWICK QUI REMPLACE OLIVIER ROUCH POUR LE DEUXIEME STAGE) DEVELOPMENT OF ALGORITHMS AND METHODS FOR FUSION OF IMPRECISE INFORMATION FRQNT/Fonds de recherche du Québec - Nature et technologies (FQRNT) / 2012 - 2013
DEVELOPMENT OF LAGORITHMS AND METHODS FOR FUSION OF IMPRECISE INFORMATION FRQNT/Fonds de recherche du Québec - Nature et technologies (FQRNT) / 2012 - 2013
SYMMETRIES IN PHYSICS APPLICATIONS / 2011 - 2015
DEVELOPMENT OF ALGORITHMS AND METHODS FOR FUSION OF IMPRECISE INFORMATION / 2011 - 2013
RESEAU MITACS // DEVELOPMENT OF ALGORITHMS AND METHODS FOR FUSION OF IMPRECISE INFORMATION Secrétariat Inter-Conseil et Réseaux des centres d'excellence (RCE) / 2011 - 2013
NEW ORTHOGONAL POLYNOMIALS AND THEIR APPLICATIONS / 2011 - 2012
DEVELOPMENT OF ALGORITHMS AND METHODS FOR INFORMATION FUSION ENABLED DECISION SUPPORT / 2011 - 2011
CENTRE DE RECHERCHES MATHEMATIQUES (CRM) FRQNT/Fonds de recherche du Québec - Nature et technologies (FQRNT) / 2008 - 2016
SYMMETRIES IN PHYSICS APPLICATIONS CRSNG/Conseil de recherches en sciences naturelles et génie du Canada (CRSNG) / 1994 - 2017
Publications choisies Tout déplier Tout replier
Gaussian cubature arising from hybrid characters of simple Lie groups
Polytope contractions within icosahedral symmetry
Breaking of icosahedral Symmetry: C60 to C70
Dominant weight multiplicities in hybrid characters of Bn, Cn, F4, G2
Icosahedral symmetry breaking: C60 to C78, C96 and to related nanotubes
Icosahedral symmetry breaking: C60 to C78, C96 and to related nanoutubes, Acta Crystallographica (A70)
Dominant weight multiplicities in hybrid characters of Bn, Cn, F4, G2
C70, C80, C90, and carbon nanotubes by breaking of the icosahedral symmetry of C60
Four families of Weyl group orbit functions of B3 and C3
On generalizing the Shmushkevich method
Four families of Weyl group orbit functions of $B_3$ and $C_3$
Six types of E-functions of the Lie groups O(5) and G(2)
On Discretization of Tori of Compact Simple Lie Groups II
Three-variable exponentiol functions of the alternating group
Affine reflection groups for tiling applications: knot thoery and DNA
Centralizers of maximal regular subgroups of compact simple Lie groups
On E-functions of semisimple Lie algebras
Branching rules for Weyl group orbits of simple Lie Algebras Bn and Dn
Orthogonal polynomials of compact simple Lie groups
Cubature formulae for orthogonal polynomials in terms of elements of finite order of compact simple Lie groups
Orthogonal polynomials of compact simple Lie groups. The branching rules for polynomials
Two-dimensional symmetric and antisymmetric generalizations of sine functions
On E-discretization of tori of compact simple Lie groups
Two dimensional symmetric and antisymmetric generalizations of exponential and cosine functions
Tereszkiewicz, Orbit functions of SU(n) and Chebyshev polynomials
Branching rules for the Weyl group orbits of the Lie algebra A_n
On discretization of tori of compact simple Lie groups
Alternating group and multivariate exponential functions
Quasicrystal models in cryptography in Geometric Methods in Physics
Discretization of tori of exceptional simple Lie algebras
Invariants of Lie algebras via moving frame approach
On orbit functions, their properties and applications
Image sampling with quasicrystals
The rings of n-dimensional polytopes
Three-dimensional C-, S- and E-transforms
Computing with almost periodic functions
Alternating multivariate trigonometric functions and corresponding Fourier transforms
Invariants of solvable Lie algebras with triangular nilradicals and diagonal nilindependent elements
E-orbit functions
Edge detection algorithm based on DCT continuous extension technique
Discretization of compact semisimple Lie groups
Quasicrystals in cryptography, in Aspects of Network and information Security
Invariants of Lie algebras with fixed structure of nilradicals
(Anti)symmetric multivariate trigonometric functions and corresponding Fourier transforms
Fine group gradings of the real forms of sl(4,C), sp(4,C), and o(4,C)
Discrete and continuous exponential transforms of simple Lie groups of rank 2
Invariants of solvable Lie algebras with one nilindependent diagonal element
(Anti)symmetric multidimensional exponential functions and the corresponding Fourier transforms
Antisymmetric orbit functions
The discrete SU3 transform and its continuous extension for triangular lattices
Invariants of triangular Lie algebras
Fine gradings of the real forms of sl(4,C), sp(4,C) and o(4,C)
Orthogonality within the families of C-, S-, and E-functions of any compact semisimple Lie group
Graded contractions of the Pauli graded sl(3,C)
Computation of invariants of Lie algebras by means of moving frames
Discrete and continuous sine transform generalized to semisimple Lie groups of rank two
Orbit functions
Cosine transform generalized to Lie groups SU(2)xSU(2) and O(5): application to textural image processing
Multiresolution analysis of digital images using the continuous extension of discrete group transforms
Interpolation using cosine transforms generalized to Lie groups
Discrete and Continuous Cosine Transform Generalized to Lie Groups SU(3) and G(2)
Compact simple Lie groups and their $C$-, $S$-, and $E$-transforms
Classification of Voronoi and Delone tiles of quasicrystals. III. Decagonal acceptance window of any size
Discrete and Continuous Cosine Transform Generalized to Lie Groups SU(2)xSU(2) and O(5)
Fourier transform method for imaging atmospheric Cherenkov telescopes
Properties of continuous Fourier extension of the discrete cosine transform and its multidimensional generalization
Fine gradings of o(4,C),
Pauli graded contractions of sl(3,C)
Symmetry in Nonlinear Mathematical physics
Sharp and generating functions in group theory, in Symmetry in physics
Statistics and implementation of aperiodic pseudorandom number generators
Classification of distinct Voronoi and Delone tiles in two-dimensional quasicrystals with circular acceptance window of arbitrary size
Classification of distinct Voronoi and Delone tiles in two-dimensional quasicrystals : General Method
Graded contractions of Jordan algebras and of their representations
Algebraic solutions of the Neumann boundery value problems on fundamental region of a compact semisimple Lie group
Continuous extension of the discrete cosine transform and its applications to data processing, Proceedings of the Workshop
Application of the continuous extension of discrete cosine transform to images taken by FLIR detectors
Application of multidimensional discrete transforms on Lie groups for image processing
Innate brain language and grammar: Implications for human language and music, in Stochastic point processes
The eight fine gradings of sl(4,C) and o(6,C)
Affine extension of noncrystallographic Coxeter groups and quasicrystals
Automorphisms of a finest grading of sl(n,C)
The Music-Math Connection
Proving the deterministic period breaking of linear congruential generators using two tile quasicrystals
Combining random number generators using cut and project sequences
Fine grading of o(5, C), sp(4, C) and of their real forms
On fine gradings and their symmetries
Exceptional algebraic properties of the three quadratic irrationalities observed in quasicrystals
Acceptance windows compatible with a quasicrystal fragment, in From Quasicrystals to More Complex Systems
On Lie gradings. III. Gradings of the real forms of classical Lie algebras
sl(3, C) generator matrix elements in a Pauli subgroup basis
The fine gradings of sl(3,C) and their symmetries
Lattice-like properties of quasicrystal models with quadratic irrationalities, in Quantum Theory and Symmetries
Quasicrystal Lie algebras and their generalizations
Graded contractions of the Lie algebra e(2,1)
Minimal distances in quasicrystals
Inflation centers in cut and project quasicrystals
Non-crystallographic root systems, in Quasicrystals and Discrete Geometry
Densities, minimal distances, and coverings of quasicrystals
Quasicrystal Lie algebras
Tau wavelets in the plane
Selfsimilar Delone sets and cut and project quasicrystals
On Liegradings II
On gradings of Lie algebras and représentations, in Lie Theory and its Applications II
The signatures of finite dimensional representations of the de Sitter groups SO (4,1) and SO (3,2)
On the fine gradings of simple classical Lie algebras
Decomposition of tensor products of the fundamental representations of E8, in Advances in Mathematical Sciences
Simple physical generation of quasicrystals
Non-crystallographic root systems and quasicrystals, Proc. NATO ASI Aperiodic Long Ranger Order
Tau-wavelets of Haar
Dynamical generation of quasicrystals
Generating functions for the Coxeter group H4
Grading refinements in the contractions of Lie algebras and their invariants
Graded contractions of representations of orthogonal and symplectic Lie algebras with respect to their maximal parabolic subalgebras
Voronoi domains and dual cells in the generalized kaleidoscope with applications to root and weight lattices
Description of reflection generated polytopes using decorated Coxeter diagrams
The pentacrystals
Colourings of quasicrystals
Graded contractions of the affine Lie algebra $A^{(1)}_1$, its representations and tensor products, and an application to the branching rule $A^{(1)}_1\supset A^{(1)}_1$
Transitively differential groups of degree three
Graded contractions and kinematical groups of space-time
Graded contractions of representations of special linear Lie algebras with respect to their maximal parabolic subalgebras
Graded contractions of Casimir operators
Quasicrystals and icosians
Voronoi and Delaunay cells of root lattices: classification of their faces and facets by Coxeter-Dynkin diagrams
Orbit-orbit branching rules between simple low-rank algebras and equal-rank subalgebras
Discrete and continuous graded contractions of representations of Lie algebras
Discrete and continuous graded contractions of Lie algebras and superalgebras
The higher rank Virasoro algebras
Graded contractions of sl(3,C)
Affine Kac-Moody Algebras, Weight Multiplicities and Branching Rules
Solvable Lie algebras of dimension 4 over perfect fields
On intersections of A1 subgroups in the exceptional simple Lie groups E6, E7, E8
Subjoinings of affine Kac-Moody algebras
The construction of solvable Lie algebras from equidimensional nilpotent algebras
The 785 conjugacy classes of rational elements of finite order in E8
Simplie Users Manual; Macintosh software for représentations of simple Lie algebras
Tables of représentations of simple Lie algebras
Tables od dominant weight multiplicities for représentations of simple Lie algebras
Tables of dimensions, incidences, and branching rules for représentations of simple Lie algebras
Branching rules for représentations of simple Lie algebras
Prix et distinctions
- Conseil des arts du Canada Bourse Killam, 1991