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Ornella Menchi
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- affiliation: University of Pisa, Italy
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2020 – today
- 2024
- [j18]Paola Favati, Ornella Menchi:
An internal validity index for arbitrarily shaped clusters. Expert Syst. Appl. 235: 121124 (2024) - 2023
- [j17]Paola Favati, Ornella Menchi:
A two-phase strategy for nonconvex clusters integrating a spectral clustering with a merging technique. Expert Syst. Appl. 214: 119099 (2023) - 2020
- [j16]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
A Model for the Frequency Distribution of Multi-Scale Phenomena. Inf. 11(12): 580 (2020) - [j15]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: 112795 (2020)
2010 – 2019
- 2019
- [j14]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
An Adaptive Procedure for the Global Minimization of a Class of Polynomial Functions. Algorithms 12(5): 109 (2019) - [j13]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
Adaptive Clustering via Symmetric Nonnegative Matrix Factorization of the Similarity Matrix. Algorithms 12(10): 216 (2019) - [i1]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
Construction of the similarity matrix for the spectral clustering method: numerical experiments. CoRR abs/1904.11352 (2019) - 2018
- [j12]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
Image regularization by nonnegatively constrained Conjugate Gradient. Appl. Math. Comput. 327: 35-45 (2018) - 2014
- [j11]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
Generalized Cross-Validation applied to Conjugate Gradient for discrete ill-posed problems. Appl. Math. Comput. 243: 258-268 (2014) - 2012
- [j10]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): 1039-1056 (2012) - 2011
- [j9]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
A Coupled Model for the Indegree and Outdegree Analysis of the Web. Internet Math. 6(4): 437-459 (2011) - 2010
- [j8]Paola Favati, Grazia Lotti, Ornella Menchi:
Stability of the Levinson Algorithm for Toeplitz-Like Systems. SIAM J. Matrix Anal. Appl. 31(5): 2531-2552 (2010)
2000 – 2009
- 2009
- [j7]Paola Favati, Grazia Lotti, Ornella Menchi:
Recursive algorithms for unbalanced banded Toeplitz systems. Numer. Linear Algebra Appl. 16(7): 561-587 (2009) - 2007
- [j6]Paola Favati, Grazia Lotti, Ornella Menchi:
Regularizing Inverse Preconditioners for Symmetric Band Toeplitz Matrices. EURASIP J. Adv. Signal Process. 2007 (2007) - [j5]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
A Stochastic Model for the Link Analysis of the Web. Internet Math. 3(4): 509-531 (2007) - 2004
- [j4]Paola Favati, Grazia Lotti, Ornella Menchi:
Non-recursive solution of sparse block Hessenberg systems. Numer. Linear Algebra Appl. 11(4): 391-409 (2004) - 2002
- [j3]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
Railway Computation for Infinite Linear Systems. Int. J. Parallel Program. 30(6): 419-439 (2002) - 2000
- [j2]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
Separable asymptotic cost of evaluating elementary functions. Numer. Algorithms 24(3): 255-274 (2000)
1990 – 1999
- 1999
- [j1]Paola Favati, Grazia Lotti, Ornella Menchi, Francesco Romani:
An infinite precision bracketing algorithm with guaranteed convergence. Numer. Algorithms 20(1): 63-73 (1999)
Coauthor Index
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