Ornella Menchi

19 papers Journal 19
YearRankTypeTitle / Venue / Authors
2024 J jnl
An internal validity index for arbitrarily shaped clusters.
Expert Syst. Appl.
Paola Favati, Ornella Menchi
2023 J jnl
A two-phase strategy for nonconvex clusters integrating a spectral clustering with a merging technique.
Expert Syst. Appl.
Paola Favati, Ornella Menchi
2020 J jnl
A Model for the Frequency Distribution of Multi-Scale Phenomena.
Inf.
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2020 J jnl
Construction of the similarity matrix for the spectral clustering method: Numerical experiments.
J. Comput. Appl. Math.
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2019 J jnl
Adaptive Clustering via Symmetric Nonnegative Matrix Factorization of the Similarity Matrix.
Algorithms
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2019 J jnl
An Adaptive Procedure for the Global Minimization of a Class of Polynomial Functions.
Algorithms
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2019 J jnl
Construction of the similarity matrix for the spectral clustering method: numerical experiments.
CoRR
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2018 J jnl
Image regularization by nonnegatively constrained Conjugate Gradient.
Appl. Math. Comput.
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2014 J jnl
Generalized Cross-Validation applied to Conjugate Gradient for discrete ill-posed problems.
Appl. Math. Comput.
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2012 J jnl
A Divide and Conquer Algorithm for the Superfast Solution of Toeplitz-like Systems.
SIAM J. Matrix Anal. Appl.
Paola Favati, Grazia Lotti, Ornella Menchi
2011 J jnl
A Coupled Model for the Indegree and Outdegree Analysis of the Web.
Internet Math.
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2010 J jnl
Stability of the Levinson Algorithm for Toeplitz-Like Systems.
SIAM J. Matrix Anal. Appl.
Paola Favati, Grazia Lotti, Ornella Menchi
2009 J jnl
Recursive algorithms for unbalanced banded Toeplitz systems.
Numer. Linear Algebra Appl.
Paola Favati, Grazia Lotti, Ornella Menchi
2007 J jnl
A Stochastic Model for the Link Analysis of the Web.
Internet Math.
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2007 J jnl
Regularizing Inverse Preconditioners for Symmetric Band Toeplitz Matrices.
EURASIP J. Adv. Signal Process.
Paola Favati, Grazia Lotti, Ornella Menchi
2004 J jnl
Non-recursive solution of sparse block Hessenberg systems.
Numer. Linear Algebra Appl.
Paola Favati, Grazia Lotti, Ornella Menchi
2002 J jnl
Railway Computation for Infinite Linear Systems.
Int. J. Parallel Program.
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
2000 J jnl
Separable asymptotic cost of evaluating elementary functions.
Numer. Algorithms
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani
1999 J jnl
An infinite precision bracketing algorithm with guaranteed convergence.
Numer. Algorithms
Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani