CINECA IRIS Institutional Research Information System

GEMIGNANI, LUCA
 Distribuzione geografica
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Continente #
NA - Nord America 6.926
EU - Europa 2.294
AS - Asia 873
AF - Africa 166
SA - Sud America 22
OC - Oceania 2
Continente sconosciuto - Info sul continente non disponibili 1
Totale 10.284
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Nazione #
US - Stati Uniti d'America 6.746
IT - Italia 1.004
CN - Cina 428
SE - Svezia 332
BG - Bulgaria 227
CA - Canada 178
CI - Costa d'Avorio 164
DE - Germania 157
UA - Ucraina 154
VN - Vietnam 119
FI - Finlandia 117
SG - Singapore 115
GB - Regno Unito 94
TR - Turchia 91
RU - Federazione Russa 81
LB - Libano 60
CH - Svizzera 56
BR - Brasile 22
FR - Francia 18
HK - Hong Kong 18
IN - India 18
BE - Belgio 15
NL - Olanda 9
JP - Giappone 8
GR - Grecia 6
ES - Italia 4
CZ - Repubblica Ceca 3
HU - Ungheria 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 10.284
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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
Florence 61
Dong Ket 57
Bern 56
Pisa 56
Des Moines 52
Nanchang 49
Dearborn 48
Singapore 48
Jüchen 38
Helsinki 28
San Diego 28
Los Angeles 25
Ogden 24
Kunming 23
Redwood City 20
Boulder 19
Council Bluffs 18
Shenyang 18
Rome 16
Dallas 14
Hong Kong 14
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
Phoenix 8
Lanzhou 7
Orange 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
Budapest 3
Chiesina Uzzanese 3
Falkenstein 3
Frankfurt am Main 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
Totale 8.227
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Nome #
Implicit QR for Companion-like Pencils 184
A fast implicit QR eigenvalue algorithm for companion matrices 182
A CMV--based eigensolver for companion matrices 179
Structured eigenvalue problems for rational Gauss quadrature 166
On the Euclidean scheme for polynomials having interlaced real zeros 151
Zerofinding of analytic functions by structured matrix methods 151
Rational interpolation via orthogonal polynomials 147
Fast inversion of Hankel and Toeplitz matrices 146
Computing the inertia of Bezout and Hankel matrices 144
Compression of unitary rank--structured matrices to CMV-like shape with an application to polynomial rootfinding 140
Polynomial root computation by means of the LR algorithm 139
FAST HESSENBERG REDUCTION OF SOME RANK STRUCTURED MATRICES 139
Block tridiagonal reduction of perturbed normal and rank structured matrices 139
Computationally efficient applications of the Euclidean algorithm to zero location 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 133
Neville elimination of rank-structured matrices 132
A Fast Algorithm for Generalized Hankel Matrices Arising in Finite Moment Problems 131
Efficient Reduction of Compressed Unitary plus Low Rank Matrices to Hessenberg form 130
Rounding error analysis in solving M-matrix linear systems of block Hessenberg form 129
A fast iterative method for determining the stability of a polynomial 128
Fast QR factorization of Cauchy-like matrices 128
A generalized Graeffe's iteration for evaluating polynomials and rational functions 128
Solving Hankel systems over the integers 127
Modifications of Newton's method for even-grade palindromic polynomials and other twined polynomials 127
Accurate polynomial root-finding methods for symmetric tridiagonal matrix eigenproblems 127
Solving Bezout-like polynomial equations for the design of interpolatory subdivision schemes 126
On the fast reduction of a quasiseparable matrix to Hessenberg and tridiagonal forms 125
Efficient and stable solution of M-matrix linear systems of (block) Hessenberg form 123
Accelerating the Sinkhorn-Knopp iteration by Arnoldi-type methods 122
GCD of polynomials and Bezout matrices 121
Chebyshev rational interpolation 121
A unitary Hessenberg QR-based algorithm via semiseparable matrices 121
Computing a Hurwitz factorization of a polynomial 121
Fast QR iterations for unitary plus low rank matrices 121
Solving quadratic matrix equations and factoring polynomials: new fixed point iterations based on Schur complements of Toeplitz matrices 120
Fast and stable computation of the barycentric representation of rational interpolants 119
Orthogonal rational functions and diagonal plus semiseparable matrices 119
Fast fraction-free triangularization of Bezoutians with applications to sub-resultant chain computation 117
A real QZ algorithm for structured companion pencils 117
Improved parallel computations with matrices and polynomials 116
A Lanczos-type algorithm for the QR factorization of Cauchy-like matrices 115
Solving certain matrix equations by means of Toeplitz computations: algorithms and applications 115
Compression of unitary rank-structured matrices to CMV-like shape with an application to polynomial rootfinding 113
From approximating to interpolatory non-stationary subdivision schemes with the same generation properties 112
A CMV-based eigensolver for companion matrices 111
From symmetric subdivision masks of Hurwitz type to interpolatory subdivision masks 109
Effective Fast Algorithms for Polynomial Spectral Factorization 109
Implicit QR with compression 109
Structural and computational properties of possibly singular semiseparable matrices 108
A constructive algebraic strategy for interpolatory subdivision schemes induced by bivariate box splines 108
Computations with infinite Toeplitz matrices and polynomials 106
Efficient and stable solution of structured Hessenberg linear systems arising from difference equations 106
Schur Complements of Bezoutians with Application to the Inversion of Block Hankel and Toeplitz Matrices 105
QR-factorization of Displacement Structured Matrices Using a Rank Structured Matrix Approach 104
The Ehrlich–Aberth method for palindromic matrix polynomials represented in the Dickson basis 101
ON THE COMPLEXITY OF POLYNOMIAL ZEROS 101
Inverse power and Durand-Kerner iterations for univariate polynomial root-finding 101
null 99
Fast QR factorization of low-rank changes of Vandermonde-like matrices 98
ITERATION SCHEMES FOR THE DIVIDE-AND-CONQUER EIGENVALUE SOLVER 98
Fast Parallel Computation of the Polynomial Remainder Sequence via Bezout and Hankel Matrices 98
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 97
A Lanczos-type algorithm for the QR factorization of regular Cauchy matrices 97
Strctured Matrix Methods for Polynomial Root-Finding 96
On the simultaneous refinement of the zeros of H-palindromic polynomials 96
null 96
On some classes of structured matrices with algebraic trigonometric eigenvalues 95
Orthogonal rational functions and structured matrices 95
Direct and inverse eigenvalue problems for diagonal-plus-semiseparable matrices 94
Implicit QR for rank-structured matrix pencils 93
Iterative refinement techniques for the spectral factorization of Laurent polynomials 91
null 90
On a generalization of Poincare's theorem for matrix difference equations arising from root-finding problems 90
Factorization of analytic functions by means of Koenig's theorem and Toeplitz computations 89
null 89
On the fast reduction of symmetric rationally generated Toeplitz matrices to tridiagonal form 87
A QR based approach for the nonlinear eigenvalue problem 85
null 83
Improved initialization of the accelerated and robust QR-like polynomial root-finding 80
A numerical approach to the solution of stable resultant linear systems 75
Quasiseparable structures of companion matrices under the QZ-algorithm 74
Fast and stable solution of banded-plus-semiseparable linear systems 73
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 68
Polynomial factors, lemniscates and structured matrix technology 66
On the shifted QR iteration applied to companion matrices 64
Computing the Inverse of a φ-Function by Rational Approximation 62
Experimental Study of a Parallel Iterative Solver for Markov Chain Modeling 42
Comparison theorems for splittings of M-matrices in (block) Hessenberg form 41
Computing the reciprocal of a ϕ-function by rational approximation 41
Orthogonal Iterations on Companion-Like Pencils 41
Bezout-like polynomial equations associated with dual univariate interpolating subdivision schemes 38
null 34
Efficient Solution of Parameter Dependent Quasiseparable Systems and Computation of Meromorphic Matrix Functions 24
The unitary completion and QR iterations for a class of structured matrices 19
Efficient Inversion of Matrix ϕ-Functions of Low Order 15
Totale 10.504
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Categoria #
all - tutte 26.138
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 26.138
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20201.904 0 165 182 134 210 248 238 166 205 189 123 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
2023/20241.048 195 120 121 83 120 191 27 41 18 24 26 82
2024/202528 17 11 0 0 0 0 0 0 0 0 0 0
Totale 10.565