CINECA IRIS Institutional Research Information System

GEMIGNANI, LUCA
 Distribuzione geografica
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Continente #
NA - Nord America 6.894
EU - Europa 2.275
AS - Asia 790
AF - Africa 166
SA - Sud America 22
OC - Oceania 2
Continente sconosciuto - Info sul continente non disponibili 1
Totale 10.150
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Nazione #
US - Stati Uniti d'America 6.714
IT - Italia 991
CN - Cina 425
SE - Svezia 332
BG - Bulgaria 227
CA - Canada 178
CI - Costa d'Avorio 164
DE - Germania 155
UA - Ucraina 154
VN - Vietnam 119
FI - Finlandia 116
GB - Regno Unito 94
TR - Turchia 91
RU - Federazione Russa 81
LB - Libano 60
CH - Svizzera 56
SG - Singapore 37
BR - Brasile 22
FR - Francia 18
HK - Hong Kong 17
IN - India 17
BE - Belgio 15
NL - Olanda 9
JP - Giappone 8
GR - Grecia 6
ES - Italia 4
CZ - Repubblica Ceca 3
IL - Israele 3
IR - Iran 3
KR - Corea 3
NO - Norvegia 3
RO - Romania 3
AT - Austria 2
IE - Irlanda 2
LA - Repubblica Popolare Democratica del Laos 2
MX - Messico 2
UZ - Uzbekistan 2
AE - Emirati Arabi Uniti 1
AL - Albania 1
AU - Australia 1
DK - Danimarca 1
EU - Europa 1
MA - Marocco 1
MY - Malesia 1
NZ - Nuova Zelanda 1
PK - Pakistan 1
PL - Polonia 1
PT - Portogallo 1
SN - Senegal 1
Totale 10.150
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Città #
Woodbridge 1.122
Ann Arbor 932
Fairfield 798
Houston 669
Chandler 393
Ashburn 392
Seattle 316
Wilmington 281
Cambridge 271
Serra 257
Sofia 227
Milan 226
Jacksonville 221
Ottawa 175
Beijing 171
Abidjan 164
New York 154
Princeton 107
Lawrence 93
Izmir 90
Medford 82
Nanjing 81
Dong Ket 57
Bern 56
Pisa 54
Des Moines 52
Florence 50
Nanchang 49
Dearborn 48
Jüchen 38
San Diego 28
Helsinki 27
Los Angeles 25
Kunming 23
Redwood City 20
Boulder 19
Council Bluffs 18
Shenyang 18
Rome 16
Hong Kong 14
Ogden 13
Brussels 12
Pune 12
Hefei 11
San Salvo 11
Changsha 10
Hebei 10
Munich 10
Bremen 9
Jiaxing 9
Norwalk 9
Washington 9
Auburn Hills 8
London 8
Dallas 7
Lanzhou 7
Orange 7
Phoenix 7
Tianjin 7
Groningen 6
Livorno 5
Torino 5
Capannori 4
Cascina 4
Changchun 4
Chehalis 4
Düsseldorf 4
Foggia 4
Hamburg 4
Hangzhou 4
Lucca 4
Paris 4
Pistoia 4
Prescot 4
Southend 4
Taganrog 4
Turin 4
Verona 4
Bari 3
Chiesina Uzzanese 3
Falkenstein 3
Guangzhou 3
Guwahati 3
Jinan 3
Las Vegas 3
Leuven 3
Melbourne 3
Reggio Calabria 3
San Francisco 3
Sheffield 3
Arezzo 2
Boardman 2
Bonn 2
Bronx 2
Brunico 2
Central 2
Chicago 2
Corridonia 2
Edinburgh 2
Frankfurt am Main 2
Totale 8.146
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Nome #
A fast implicit QR eigenvalue algorithm for companion matrices 181
Implicit QR for Companion-like Pencils 180
A CMV--based eigensolver for companion matrices 177
Structured eigenvalue problems for rational Gauss quadrature 165
On the Euclidean scheme for polynomials having interlaced real zeros 150
Zerofinding of analytic functions by structured matrix methods 148
Fast inversion of Hankel and Toeplitz matrices 146
Rational interpolation via orthogonal polynomials 145
Computing the inertia of Bezout and Hankel matrices 143
Polynomial root computation by means of the LR algorithm 138
FAST HESSENBERG REDUCTION OF SOME RANK STRUCTURED MATRICES 138
Block tridiagonal reduction of perturbed normal and rank structured matrices 138
Computationally efficient applications of the Euclidean algorithm to zero location 137
Compression of unitary rank--structured matrices to CMV-like shape with an application to polynomial rootfinding 137
Bernstein-Bezoutian matrices 136
Block tridiagonal reduction of perturbed normal and rank structured matrices 136
Computing a Factor of a Polynomial by means of Multishift LR Algorithms 132
Neville elimination of rank-structured matrices 131
A Fast Algorithm for Generalized Hankel Matrices Arising in Finite Moment Problems 130
Rounding error analysis in solving M-matrix linear systems of block Hessenberg form 128
Fast QR factorization of Cauchy-like matrices 127
Solving Hankel systems over the integers 126
Modifications of Newton's method for even-grade palindromic polynomials and other twined polynomials 126
Efficient Reduction of Compressed Unitary plus Low Rank Matrices to Hessenberg form 126
A fast iterative method for determining the stability of a polynomial 125
Solving Bezout-like polynomial equations for the design of interpolatory subdivision schemes 125
A generalized Graeffe's iteration for evaluating polynomials and rational functions 125
Accurate polynomial root-finding methods for symmetric tridiagonal matrix eigenproblems 125
On the fast reduction of a quasiseparable matrix to Hessenberg and tridiagonal forms 124
Efficient and stable solution of M-matrix linear systems of (block) Hessenberg form 123
Chebyshev rational interpolation 121
Accelerating the Sinkhorn-Knopp iteration by Arnoldi-type methods 121
GCD of polynomials and Bezout matrices 120
A unitary Hessenberg QR-based algorithm via semiseparable matrices 120
Computing a Hurwitz factorization of a polynomial 120
Solving quadratic matrix equations and factoring polynomials: new fixed point iterations based on Schur complements of Toeplitz matrices 120
Orthogonal rational functions and diagonal plus semiseparable matrices 119
Fast and stable computation of the barycentric representation of rational interpolants 118
Fast QR iterations for unitary plus low rank matrices 118
Fast fraction-free triangularization of Bezoutians with applications to sub-resultant chain computation 116
Improved parallel computations with matrices and polynomials 115
A Lanczos-type algorithm for the QR factorization of Cauchy-like matrices 115
A real QZ algorithm for structured companion pencils 115
Solving certain matrix equations by means of Toeplitz computations: algorithms and applications 114
From approximating to interpolatory non-stationary subdivision schemes with the same generation properties 111
Compression of unitary rank-structured matrices to CMV-like shape with an application to polynomial rootfinding 111
A CMV-based eigensolver for companion matrices 110
From symmetric subdivision masks of Hurwitz type to interpolatory subdivision masks 108
Implicit QR with compression 108
Structural and computational properties of possibly singular semiseparable matrices 107
Effective Fast Algorithms for Polynomial Spectral Factorization 107
Efficient and stable solution of structured Hessenberg linear systems arising from difference equations 106
Computations with infinite Toeplitz matrices and polynomials 105
A constructive algebraic strategy for interpolatory subdivision schemes induced by bivariate box splines 105
Schur Complements of Bezoutians with Application to the Inversion of Block Hankel and Toeplitz Matrices 103
QR-factorization of Displacement Structured Matrices Using a Rank Structured Matrix Approach 103
The Ehrlich–Aberth method for palindromic matrix polynomials represented in the Dickson basis 100
ON THE COMPLEXITY OF POLYNOMIAL ZEROS 100
null 99
Inverse power and Durand-Kerner iterations for univariate polynomial root-finding 98
Fast QR factorization of low-rank changes of Vandermonde-like matrices 97
ITERATION SCHEMES FOR THE DIVIDE-AND-CONQUER EIGENVALUE SOLVER 97
A hybrid approach to the computation of the inertia of a parametric family of {B}ezoutians with applications to some stability problems for bivariate polynomials 96
A Lanczos-type algorithm for the QR factorization of regular Cauchy matrices 96
Strctured Matrix Methods for Polynomial Root-Finding 96
Fast Parallel Computation of the Polynomial Remainder Sequence via Bezout and Hankel Matrices 96
null 96
On the simultaneous refinement of the zeros of H-palindromic polynomials 95
Orthogonal rational functions and structured matrices 95
On some classes of structured matrices with algebraic trigonometric eigenvalues 94
Direct and inverse eigenvalue problems for diagonal-plus-semiseparable matrices 93
Iterative refinement techniques for the spectral factorization of Laurent polynomials 90
null 90
Implicit QR for rank-structured matrix pencils 90
null 89
On a generalization of Poincare's theorem for matrix difference equations arising from root-finding problems 89
Factorization of analytic functions by means of Koenig's theorem and Toeplitz computations 88
On the fast reduction of symmetric rationally generated Toeplitz matrices to tridiagonal form 87
null 83
A QR based approach for the nonlinear eigenvalue problem 82
Improved initialization of the accelerated and robust QR-like polynomial root-finding 79
A numerical approach to the solution of stable resultant linear systems 74
Quasiseparable structures of companion matrices under the QZ-algorithm 73
Fast and stable solution of banded-plus-semiseparable linear systems 72
A superfast solver for Sylvester's resultant matrices generated by a stable and an anti-stable polynomial 72
null 72
Exponential splines and pseudo-splines: generation versus reproduction of exponential polynomials 69
Efficient eigenvalues computation for quasiseparable Hermitian matrices under low rank perturbations 67
Polynomial factors, lemniscates and structured matrix technology 65
On the shifted QR iteration applied to companion matrices 63
Computing the Inverse of a φ-Function by Rational Approximation 60
Computing the reciprocal of a ϕ-function by rational approximation 40
Comparison theorems for splittings of M-matrices in (block) Hessenberg form 39
Experimental Study of a Parallel Iterative Solver for Markov Chain Modeling 37
Orthogonal Iterations on Companion-Like Pencils 36
Bezout-like polynomial equations associated with dual univariate interpolating subdivision schemes 35
null 34
Efficient Solution of Parameter Dependent Quasiseparable Systems and Computation of Meromorphic Matrix Functions 22
The unitary completion and QR iterations for a class of structured matrices 18
Exponential Pseudo-Splines: looking beyond Exponential B-splines 12
Totale 10.379
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Categoria #
all - tutte 24.396
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 24.396
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2018/2019634 0 0 0 0 0 0 0 0 0 0 364 270
2019/20202.165 261 165 182 134 210 248 238 166 205 189 123 44
2020/20211.034 128 59 74 54 95 33 123 78 102 73 70 145
2021/20221.016 22 56 38 82 190 144 24 81 44 20 42 273
2022/20231.237 149 123 42 100 121 136 10 109 288 23 92 44
2023/2024942 195 120 121 83 120 191 27 41 18 24 2 0
Totale 10.431