(in italian)

**1i**) On the computation of the GCV function for Tikhonov Regularization.

Householder Symposium XX on Numerical Linear Algebra, The Inn at Virginia Tech, Blacksburg (USA), Jun 18-23, 2017.**2i**) Block matrix formulations for evolving networks.

SIAM Conference on Computational Science and Engineering, Atlanta, Georgia (USA), Feb 27-March 3, 2017.**3i**) La matematica per lo studio dei sistemi complessi: i social networks (with Prof. Michele Benzi).

Progetto ''I Lincei per una nuova didattica nella scuola'' - Una rete nazionale, Cagliari (Italy), Dec 20, 2016.**4i**) Block Matrix Formulations for Evolving Networks.

Numerical Linear Algebra and Applications (NL2A), Luminy (France), October 24-28, 2016.**5i**) On the computation of the GCV function for Tikhonov regularization.

Bi-annual Conference of the Italian Society of Applied and Industrial Mathematics (SIMAI), Milano (Italy), September 13-16, 2016.**6i**) Block Matrix Formulations for Evolving Networks.

20th Conference of the International Linear Algebra Society (ILAS), KU Leuven (Belgium), July 11-15, 2016.**7i**) Frequency domain electromagnetic data inversion.

PING - Inverse Problems in Geophysics, Florence, April 6, 2016.**8i**) Metodi numerici per l'analisi delle reti complesse.

Conference of National Group of Scientific Computing (GNCS), Montecatini Terme (Italy), February 2-4, 2016.**9c**) On a nonlinear inverse problem in electromagnetic sounding.

SIAM Conference on Applied Linear Algebra, Atlanta, Georgia, USA, October 26-30, 2015.**10i**) Un problema inverso nonlineare in geofisica.

XX Congresso dell'Unione Matematica Italiana, Siena, Italy, September 7-12, 2015.**11i**) Fast Computation of Centrality Indices.

AIRO 2015 - 45th Annual Conference of the Italian Operations Research Society, Pisa, Italy, September 7-10, 2015.**12c**) Ranking nodes on Networks.

WAMC15 - Two Days on Applied Mathematics in Cagliari, Cagliari, Italy, April 9-10, 2015.**13i**) Analysis of directed networks via partial singular value decomposition.

SLA2014 - Structured Numerical Linear and Multilinear Algebra: Analysis, Algorithms and Applications, Kalamata, Greece, September 8-12, 2014.**14i**) Fast ranking of nodes on digraphs.

VDM60 - Nonlinear Evolution Equations and Linear Algebra, Cagliari, September 2-5, 2013.**15c**) Fast computation of centrality indices for complex networks.

SSMF2013 - International Spring School on Matrix Functions and their applications, Lille, France, May 15-17, 2013.**16c**) Fast computation of centrality indices in complex networks.

New Frontiers in Numerical Analysis and Scientific Computing, Kent, Ohio (USA), April 19-20, 2013.**17c**) Complex networks metrics for software systems.

2012 SIAM Conference on Applied Linear Algebra, Valencia, Spain, June 18-22, 2012.**18c**)Studio numerico di metriche per reti complesse.

Due giorni di Algebra Lineare Numerica, Genova, February 16-17, 2012.**19c**) Regularization techniques for the inversion of ground conductivity measurements.

SC2011 - International Conference on Scientific Computing, S. Margherita di Pula (CA), October 10-14, 2011.

- Numerical integration and inverse problems.

Retreat of the Aachen Insitute for Advanced Study in Computational Engineering Science - RWTH Aachen University, Hürtgenwald, Germany , October 5, 2016. - The use of numerical integration in the analysis of complex networks.

High Performance and Automatic Computing Group Meeting - RWTH Aachen University, Aachen, Germany, September 23, 2016. - Fast Computation of Centrality Indices.

Optimization & Numerical Analysis Seminars, University of Pisa, Pisa, November 26, 2015. - On a nonlinear inverse problem in electromagnetic sounding.

Emory University, Atlanta, USA, February 4, 2015. - Computation of matrix functions with application to networks theory.

Strathclyde University, Glasgow, UK, October 21, 2014. - Computation of matrix functions with application to networks theory.

University of Manchester, Manchester, UK, October 14, 2014. - Studio numerico di indicatori su reti complesse.

Seminari di Matematica, Cagliari, November 6, 2012.