Luca Gemignani

Publication Activity (10 Years)

Years Active: 1990-2024
Publications (10 Years): 19

Top Topics

Low Rank Matrices

Numerical Solution

Top Venues

SIAM J. Matrix Anal. Appl.

J. Comput. Appl. Math.

Adv. Comput. Math.

Publications

Paola Boito, Yuli Eidelman, Luca Gemignani
Numerical Solution of Nonclassical Boundary Value Problems. CoRR (2024)
Lidia Aceto, Luca Gemignani
Computing the Action of the Generating Function of Bernoulli Polynomials on a Matrix with An Application to Non-local Boundary Value Problems. CoRR (2024)
Luca Gemignani, Beatrice Meini
Relaxed fixed point iterations for matrix equations arising in Markov chain modeling. Numer. Algorithms 94 (1) (2023)
V. Besozzi, M. Della Bartola, Luca Gemignani
Experimental Study of a Parallel Iterative Solver for Markov Chain Modeling. CoRR (2023)
Valerio Besozzi, M. Della Bartola, Luca Gemignani
Experimental Study of a Parallel Iterative Solver for Markov Chain Modeling. ICCS (2) (2023)
Luca Gemignani
Efficient Inversion of Matrix φ-Functions of Low Order. CoRR (2023)
Roberto Bevilacqua, Gianna M. Del Corso, Luca Gemignani
Orthogonal Iterations on Companion-Like Pencils. J. Sci. Comput. 91 (1) (2022)
Paola Boito, Yuli Eidelman, Luca Gemignani
Computing the reciprocal of a ϕ-function by rational approximation. Adv. Comput. Math. 48 (1) (2022)
Luca Gemignani, Beatrice Meini
An Acceleration of Fixed Point Iterations for M/G/1-type Markov Chains by Means of Relaxation Techniques. CoRR (2022)
Luca Gemignani, Lucia Romani, Alberto Viscardi
Bezout-like polynomial equations associated with dual univariate interpolating subdivision schemes. Adv. Comput. Math. 48 (1) (2022)
Luca Gemignani, Federico Poloni
Comparison Theorems for Splittings of M-matrices in (block) Hessenberg Form. CoRR (2021)
Roberto Bevilacqua, Gianna M. Del Corso, Luca Gemignani
Orthogonal iterations on Structured Pencils. CoRR (2021)
Luca Gemignani, Lucia Romani, Alberto Viscardi
Bezout-like polynomial equations associated with dual univariate interpolating subdivision schemes. CoRR (2020)
Roberto Bevilacqua, Gianna M. Del Corso, Luca Gemignani
Fast QR iterations for unitary plus low rank matrices. Numerische Mathematik 144 (1) (2020)
Roberto Bevilacqua, Gianna M. Del Corso, Luca Gemignani
Efficient Reduction of Compressed Unitary Plus Low Rank Matrices to Hessenberg Form. SIAM J. Matrix Anal. Appl. 41 (3) (2020)
Paola Boito, Yuli Eidelman, Luca Gemignani
Efficient solution of parameter-dependent quasiseparable systems and computation of meromorphic matrix functions. Numer. Linear Algebra Appl. 25 (6) (2018)
Luca Gemignani, Leonardo Robol
Fast Hessenberg Reduction of Some Rank Structured Matrices. SIAM J. Matrix Anal. Appl. 38 (2) (2017)
Luca Gemignani
Accurate polynomial root-finding methods for symmetric tridiagonal matrix eigenproblems. Comput. Math. Appl. 72 (4) (2016)
Paola Boito, Yuli Eidelman, Luca Gemignani
Implicit QR for companion-like pencils. Math. Comput. 85 (300) (2016)
Roberto Bevilacqua, Gianna M. Del Corso, Luca Gemignani
A CMV-Based Eigensolver for Companion Matrices. SIAM J. Matrix Anal. Appl. 36 (3) (2015)
Roberto Bevilacqua, Gianna M. Del Corso, Luca Gemignani
Compression of unitary rank-structured matrices to CMV-like shape with an application to polynomial rootfinding. J. Comput. Appl. Math. 278 (2015)
Simone Brugiapaglia, Luca Gemignani
On the simultaneous refinement of the zeros of H-palindromic polynomials. J. Comput. Appl. Math. 272 (2014)
Costanza Conti, Luca Gemignani, Lucia Romani
A constructive algebraic strategy for interpolatory subdivision schemes induced by bivariate box splines. Adv. Comput. Math. 39 (2) (2013)
Luca Gemignani, Vanni Noferini
Modifications of Newton's method for even-grade palindromic polynomials and other twined polynomials. Numer. Algorithms 61 (2) (2012)
Luca Gemignani
On some classes of structured matrices with algebraic trigonometric eigenvalues. Appl. Math. Comput. 217 (19) (2011)
Costanza Conti, Luca Gemignani, Lucia Romani
From approximating to interpolatory non-stationary subdivision schemes with the same generation properties. Adv. Comput. Math. 35 (2-4) (2011)
Costanza Conti, Luca Gemignani, Lucia Romani
Solving Bezout-like polynomial equations for the design of interpolatory subdivision schemes. ISSAC (2010)
Yuli Eidelman, Luca Gemignani, Israel Gohberg
Efficient eigenvalue computation for quasiseparable Hermitian matrices under low rank perturbations. Numer. Algorithms 47 (3) (2008)
Dario Andrea Bini, Yuli Eidelman, Luca Gemignani, Israel Gohberg
The unitary completion and QR iterations for a class of structured matrices. Math. Comput. 77 (261) (2008)
Dario Andrea Bini, Yuli Eidelman, Luca Gemignani, Israel Gohberg
Fast QR Eigenvalue Algorithms for Hessenberg Matrices Which Are Rank-One Perturbations of Unitary Matrices. SIAM J. Matrix Anal. Appl. 29 (2) (2007)
Luca Gemignani
Structured matrix methods for polynomial root-finding. ISSAC (2007)
Dario Fasino, Luca Gemignani
Structured eigenvalue problems for rational gauss quadrature. Numer. Algorithms 45 (1-4) (2007)
Dario Andrea Bini, Luca Gemignani, Françoise Tisseur
The Ehrlich-Aberth Method for the Nonsymmetric Tridiagonal Eigenvalue Problem. SIAM J. Matrix Anal. Appl. 27 (1) (2005)
Dario A. Bini, Luca Gemignani
Solving quadratic matrix equations and factoring polynomials: new fixed point iterations based on Schur complements of Toeplitz matrices. Numer. Linear Algebra Appl. 12 (2-3) (2005)
Dario A. Bini, Luca Gemignani, Joab R. Winkler
Structured matrix methods for CAGD: an application to computing the resultant of polynomials in the Bernstein basis. Numer. Linear Algebra Appl. 12 (8) (2005)
Dario A. Bini, Luca Gemignani, Victor Y. Pan
Fast and stable QR eigenvalue algorithms for generalized companion matrices and secular equations. Numerische Mathematik 100 (3) (2005)
Marc Van Barel, Dario Fasino, Luca Gemignani, Nicola Mastronardi
Orthogonal Rational Functions and Structured Matrices. SIAM J. Matrix Anal. Appl. 26 (3) (2005)
Luca Gemignani, Grazia Lotti
-Matrix Linear Systems of Block Hessenberg Form. Numer. Algorithms 36 (2) (2004)
Dario Bini, Luca Gemignani
Bernstein-Bezoutian matrices. Theor. Comput. Sci. 315 (2-3) (2004)
Luca Gemignani, Grazia Lotti
Efficient and Stable Solution of M-Matrix Linear Systems of (Block) Hessenberg Form. SIAM J. Matrix Anal. Appl. 24 (3) (2003)
Dario Fasino, Luca Gemignani
Direct and Inverse Eigenvalue Problems for Diagonal-Plus-Semiseparable Matrices. Numer. Algorithms 34 (2-4) (2003)
Dario Andrea Bini, Giuseppe Fiorentino, Luca Gemignani, Beatrice Meini
Effective Fast Algorithms for Polynomial Spectral Factorization. Numer. Algorithms 34 (2-4) (2003)
Dario Fasino, Luca Gemignani
factorization of regular Cauchy matrices. Numer. Linear Algebra Appl. 9 (4) (2002)
Luca Gemignani
A generalized Graeffe's iteration for evaluating polynomials and rational functions. ISSAC (2001)
Dario Andrea Bini, Luca Gemignani, Beatrice Meini
Factorization of analytic functions by means of Koenig's theorem and Toeplitz computations. Numerische Mathematik 89 (1) (2001)
Luca Gemignani
Efficient and stable solution of structured Hessenberg linear systems arising from difference equations. Numer. Linear Algebra Appl. 7 (5) (2000)
Luca Gemignani
Algorithms. SIAM J. Matrix Anal. Appl. 19 (1) (1998)
Luca Gemignani
Chebyshev rational interpolation. Numer. Algorithms 15 (1) (1997)
Luca Gemignani
GCD of Polynomials and Bezout Matrices. ISSAC (1997)
Dario Bini, Luca Gemignani
Erratum: Fast Parallel Computation of the Polynomial Remainder Sequence via Bezout and Hankel Matrices. SIAM J. Comput. 25 (6) (1996)
Dario Bini, Luca Gemignani
Fast Parallel Computation of the Polynomial Remainder Sequence Via Bezout and Hankel Matrices. SIAM J. Comput. 24 (1) (1995)
Luca Gemignani
Solving Hankel Systems over the Integers. J. Symb. Comput. 18 (6) (1994)
Luca Gemignani
Fast Inversion of Hankel and Toeplitz Matrices. Inf. Process. Lett. 41 (3) (1992)
Dario Bini, Luca Gemignani
On the Complexity of Polynomial Zeros. SIAM J. Comput. 21 (4) (1992)
Dario Bini, Luca Gemignani, Victor Y. Pan
Improved Parallel Computations with Matrices and Polynomials. ICALP (1991)
Dario Bini, Luca Gemignani
On the Euclidean Scheme for Polynomials Having Interlaced Real Zeros. SPAA (1990)