Grazia Lotti

Publication Activity (10 Years)

Years Active: 1979-2020
Publications (10 Years): 6

Top Topics

Nonnegative Matrix Factorization

Similarity Matrix

Clustering Method

Top Venues

Appl. Math. Comput.

Publications

Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
A Model for the Frequency Distribution of Multi-Scale Phenomena. Inf. 11 (12) (2020)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
Construction of the similarity matrix for the spectral clustering method: Numerical experiments. J. Comput. Appl. Math. 375 (2020)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
Adaptive Clustering via Symmetric Nonnegative Matrix Factorization of the Similarity Matrix. Algorithms 12 (10) (2019)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
Construction of the similarity matrix for the spectral clustering method: numerical experiments. CoRR (2019)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
An Adaptive Procedure for the Global Minimization of a Class of Polynomial Functions. Algorithms 12 (5) (2019)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
Image regularization by nonnegatively constrained Conjugate Gradient. Appl. Math. Comput. 327 (2018)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
Generalized Cross-Validation applied to Conjugate Gradient for discrete ill-posed problems. Appl. Math. Comput. 243 (2014)
Paola Favati, Grazia Lotti, Ornella Menchi
A Divide and Conquer Algorithm for the Superfast Solution of Toeplitz-like Systems. SIAM J. Matrix Anal. Appl. 33 (4) (2012)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
A Coupled Model for the Indegree and Outdegree Analysis of the Web. Internet Math. 6 (4) (2011)
Paola Favati, Grazia Lotti, Ornella Menchi
Stability of the Levinson Algorithm for Toeplitz-Like Systems. SIAM J. Matrix Anal. Appl. 31 (5) (2010)
Paola Favati, Grazia Lotti, Ornella Menchi
Recursive algorithms for unbalanced banded Toeplitz systems. Numer. Linear Algebra Appl. 16 (7) (2009)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
A Stochastic Model for the Link Analysis of the Web. Internet Math. 3 (4) (2007)
Paola Favati, Grazia Lotti, Ornella Menchi
Regularizing Inverse Preconditioners for Symmetric Band Toeplitz Matrices. EURASIP J. Adv. Signal Process. 2007 (2007)
Luca Gemignani, Grazia Lotti
-Matrix Linear Systems of Block Hessenberg Form. Numer. Algorithms 36 (2) (2004)
Paola Favati, Grazia Lotti, Ornella Menchi
Non-recursive solution of sparse block Hessenberg systems. Numer. Linear Algebra Appl. 11 (4) (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)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
Railway Computation for Infinite Linear Systems. Int. J. Parallel Program. 30 (6) (2002)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
Separable asymptotic cost of evaluating elementary functions. Numer. Algorithms 24 (3) (2000)
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
An infinite precision bracketing algorithm with guaranteed convergence. Numer. Algorithms 20 (1) (1999)
Paola Favati, Giuseppe Fiorentino, Grazia Lotti, Francesco Romani
Local Error Estimates and Regularity Tests for the Implementation of Double Adaptive Quadrature. ACM Trans. Math. Softw. 23 (1) (1997)
Paola Favati, Grazia Lotti, Luciano Margara
Additive One-Dimensional Cellular Automata are Chaotic According to Devaney's Definition of Chaos. Theor. Comput. Sci. 174 (1-2) (1997)
Paola Favati, Grazia Lotti, Gaspare Di Marco, Francesco Romani
Asymptotic Behavior of Automatic Quadrature. J. Complex. 10 (3) (1994)
Grazia Lotti, Marián Vajtersic
The application of VLSI Poisson solvers to the biharmonic problem. Parallel Comput. 18 (1) (1992)
Grazia Lotti
Fast Solution of Linear Systems with Polynomial Coefficients over the Ring of Integers. J. Algorithms 13 (4) (1992)
Paola Favati, Grazia Lotti, Francesco Romani
Algorithm 691: Improving QUADPACK automatic integration routines. ACM Trans. Math. Softw. 17 (2) (1991)
Paola Favati, Grazia Lotti, Francesco Romani
VLSI implementation of the capacitance matrix method. Integr. 11 (1) (1991)
Paola Favati, Grazia Lotti, Francesco Romani
Interpolatory integration formulas for optimal composition. ACM Trans. Math. Softw. 17 (2) (1991)
Bruno Codenotti, Grazia Lotti, Francesco Romani
Area-Time Trade-Offs for Matrix-Vector Multiplication. J. Parallel Distributed Comput. 8 (1) (1990)
Bruno Codenotti, Grazia Lotti
A Note on the VLSI Counter. Inf. Process. Lett. 22 (4) (1986)
Bruno Codenotti, Grazia Lotti
A VLSI Fast Solver for Tridiagonal Linear Systems. Inf. Process. Lett. 23 (3) (1986)
Bruno Codenotti, Grazia Lotti
Area-Time Tradeoffs for Bilinear Forms Computations in VLSI. Inf. Process. Lett. 23 (2) (1986)
Bruno Codenotti, Francesco Romani, Grazia Lotti
VLSI Implementation of Fast Solvers for Band Linear Systems With Constant Coefficient Matrix. Inf. Process. Lett. 21 (3) (1985)
Bruno Codenotti, Francesco Romani, Grazia Lotti
VLSI implementation of iterative methods for the solution of linear systems. Integr. 3 (3) (1985)
Grazia Lotti
Area-Time Tradeoff for Rectangular Matrix Multiplication in VLSI Models. Inf. Process. Lett. 19 (2) (1984)
Grazia Lotti, Francesco Romani
On the Asymptotic Complexity of Rectangular Matrix Multiplication. Theor. Comput. Sci. 23 (1983)
Dario Bini, Grazia Lotti, Francesco Romani
Approximate Solutions for the Bilinear Form Computational Problem. SIAM J. Comput. 9 (4) (1980)
Grazia Lotti, Francesco Romani
Application of Approximating Algorithms to Boolean Matrix Multiplication. IEEE Trans. Computers 29 (10) (1980)
Dario Bini, Milvio Capovani, Francesco Romani, Grazia Lotti
) Complexity for n*n Approximate Matrix Multiplication. Inf. Process. Lett. 8 (5) (1979)