• Texas A&M, College Station (TEXAS, USA), 31/01, talk entitled Singularities of Herzog varieties within the workshop Symmetries and singularities in Texas. PDF

• MSRI/SLMath Berkeley (CALIFORNIA, USA), 15/05, Colloquium Lecture entitled Singularities of ideals admitting a squarefree Gröbner degeneration. PDF

• Università degli Studi di Torino - Politecnico di Torino (ITALY), 22/05, talk entitled Dual graph of projective curves within the workshop Commutative Algebra TOwards Applications. PDF
• ICTP Trieste (ITALY), 09/05 talk entitled Singularities and Hilbert functions within the Workshop of Commutative Algebra and Algebraic Geometry in Prime Characteristic.  PDF
  
• CIRM Luminy (FRANCE), 03/01, talk entitled Determinantal facet ideals within the workshop Written Geometry: Commutative Algebra.  PDF

• IMPAN, Warsaw (POLAND), 06/12, talk entitled Gröbner deformations within Agates: Deformation theory workshop.  PDF
• Universität Onabrück (GERMANY), 16/06, talk entitled Relations between minors within the workshop 75+80 years of Commutative Algebra. PDF
• Université de Grenoble-Alpes (FRANCE), 19/07, talk entitled Squarefree Gröbner deformations at the AMS-SFM-EMS Joint International Meeting within the special session on Deformation of Artinian algebras and Jordan type.  PDF

• University of Konstanz (GERMANY), 08/01, talk entitled Singularities, Serre conditions and h-vectors at the Oberseminar. "Reelle Geometrie und Algebra". PDF
• Freie Universität Berlin (GERMANY), 21/06, talk entitled Singularities, Serre conditions and h-vectors at the "Algebraic Geometry seminar". PDF
• Happened virtually, 19/08, talk entitled Square-free Groebner degenerations at SIAM Conference on Applied Algebraic Geometry within the special session Commutative algebra and its applications." PDF
• University of Modena and Reggio Emilia (ITALY), 07/09, talk entitled Square-free Groebner degenerations at the "Online University of Modena and Reggio Emilia seminar".   PDF  
  

2020

• University of Miami (USA), 24/02, talk entitled Square-free Groebner degenerations at the Combinatorics Seminar. PDF
• MSRI Berkeley (CALIFORNIA, USA, virtual), 11/06, talk entitled The dual graph of a ring at the Fellowship of the ring seminar. PDF
• IIT Bombey (INDIA, virtual), 01/09, talk entitled F-splittings of the polynomial ring and compatibly split homogeneous ideals at the Virtual Commutative Algebra seminar. PDF

• Università degli Studi di Genova (ITALY), 18/12, talk entitled Du Bois singularities, positivity and Frobenius at the Seminario di Algebra&Geometria. PDF
• Università degli Studi di Pavia (ITALY), 6/9, talk entitled  Grobner deformations within the Congresso UMI 2019. PDF
• Levico Terme (ITALY), 1-5/7, lectures from a course entitled Groebner deformations at "CIME-CIRM Course on Recent Developments in Commutative Algebra". PDF
• Universiity of Warwick (ENGLAND), 13/3, talk entitled  Singularities, Serre conditions and h-vectors at the Algebraic Geometry seminar. PDF
• MFO, Oberwolfach (GERMANY), 11/2, talk entitled  Singularities of ASL's within the workshop Singularities and Homological Aspects of Commutative Algebra. PDF

• Wroclaw (POLAND), 18/9 talk entitled Regularity of line arrangements at the UMI-SIMAI-PTM joint meeting 2018, session Projective varieties and their arrangements. PDF
  
• BIRS, Banff (CANADA), 28/6, talk entitled Square-free  Groebner degenerations at the workshop New Trends in Syzygies. PDF
• Universität Onabrück (GERMANY), 16/1, talk entitled  The nerve of a positively graded K-algebra at the Oberseminar Algebra. PDF

• Scuola Superiore di Catania (ITALY), 29/5, talk entitled  Polytopes, dual graphs and line arrangements II: the algebraic point of view within the workshop ET'nA. PDF

• MFO, Oberwolfach (GERMANY), 16/12, talk entitled  Linear syzygies and hyperbolicity within the workshop Asymptotic Phenomena in Local Algebra and Singularity Theory. PDF
• IPC, Hayama (JAPAN), 19/11, talk entitled  Commutative algebra and Coxeter groups at the 38th Symposium on Commutative Algebra in Japan. PDF
  
• Levico Terme (ITALY), 24/6, talk entitled The dual graph of an arithmetically Gorestein line arrangement at the workshop GVA2016. PDF
  
• Palazzone di Cortona (ITALY), 31/5, talk entitled F-thresholds of determinantel objects at the workshop Homological and Computational Methods in Commutative Algebra. PDF
• University of Miami (USA), 15/02, talk entitled Dual graphs and the Castelnuovo-Mumford regularity of subspace arrangements at the Combinatorics Seminar. PDF
  
• Les Diablerets (SWITZERLAND), 24/01 - 29/01, lectures from a course entitled Commutative algebra of Stanley-Reisner rings at the Borel Seminar 2016 - SM'ART. PDF

• University of Magdeburg (GERMANY), 20/01, talk entitled On the dual graph of complete intersections at the Commutative Algebra Seminar. PDF
• Universitat de Barcelona (SPAIN), 16/02 - 20/02, talk entitled The dual graph of an arithmetically Gorenstein scheme at the workshop Homological Bonds betweewn Commutative Algebra and Representation Theory. PDF
• University of Innsbruck (AUSTRIA), 26/03, talk entitled Test and Multiplier Ideals at the Mathematik Kolloquium. PDF
• Université de Fribourg (SWITZERLAND), 24/04, talk entitled On the dual graph of complete intersections at the thematic semester Combinatorial Methods. PDF
• Faculty of Science of the University of Porto (PORTUGAL), 10/06, talk entitled Test, multiplier and invariant ideals at the workshop AMS-EMS-SPM International Meeting, session ``Homological and Combinatorial Commutative Algebra". PDF
• Haeundae, Busan (KOREA), 26/08, talk entitled Dual graphs of projective schemes at the workshop Syzygies in Algebra and Geometry 2015. PDF
• Universität Osnabrück (GERMANY), 29/09, talk entitled Dual graphs of projective schemes at the workshop Algorithmic and Experimental Methods in Algebra, Geometry and Number Theory. PDF
• Universität Osnabrück (GERMANY), 09/10, talk entitled Depth of powers at the workshop  Combinatorial and Experimental Methods in Commutative Algebra and Related Fields. PDF
• Università di Genova (ITALY), 24/10, talk entitled Condizioni di Serre e positività dell' h-vettore at the workshop Incontro di Algebra Commutativa. PDF
• MPIM Bonn (GERMANY), 10/12, talk entitled Defining equations of algebraic sets at the MPI-Oberseminar. PDF
  

• Castello del Valentino, Torino (ITALY), 04/06 - 07/06, talk entitled Ideali test, moltiplicatori e invarianti at the workshop Giornate di Geometria Algebrica e Argomenti Correlati. PDF
• Faculty of Science and Technology, Leioa (SPAIN), 30/06 - 04/07, talk entitled On the dual graph of a Cohen-Macaulay algebra at the workshop First Joint Meeting RMSE-SCM-SEMA-SIMAI-UMI, session "Recent Developments in Commutative Algebra". PDF   
  
• Università di Catania (ITALY), 09/07, talk entitled Lyubeznik numbers and depth within the Pragmatic school. PDF        
  

• Università degli Studi di Genova (ITALY), 06/02, talk entitled j-multiplicity of determinantal ideals at the Seminario di Algebra Commutativa. PDF
• Università degli Studi di Genova (ITALY), 08/05 - 15/05, talk entitled An introduction to D-modules, with applications to local cohomology at the Seminario di Algebra Commutativa (split in two lectures). PDF
• Universität Osnabrück (GERMANY), 03/07 - 06/07, talk entitled  Multiplicities of classical varieties at the workshop: Kombinatorische Methoden in Algebra und Topologie. PDF
• CIRM Luminy (FRANCE), 08/07 - 12/07, talk entitled Lyubeznik numbers and depth at the workshop Algebre commutative et ses interations avec la geometrie algebrique. PDF
• Palazzone di Cortona (ITALY), 09/09 - 13/09, talk entitled A special feature of quadratic monomial ideals at the workshop Combinatorial Methods in Topology and Algebra. PDF
• Università degli Studi di Genova (ITALY), 05/11, talk entitled Algebra Commutativa a Genova at the Workshop presentazione Dottorato. PDF
• Università degli Studi di Genova (ITALY), 08/11, talk entitled Lyubeznik numbers and depth at the Giornata di Geometria Algebrica Genova-Nizza. PDF
• University of Sheffield (ENGLAND), 12/11, talk entitled Some asymptotic measures for powers of determinantal ideals at the Commutative Algebra Seminar. PDF
• Institute of Mathematics/VIASM, Hanoi (VIETNAM), 16/12 - 20/12, talk entitled The j-multiplicity of rational normal scrolls at the International conference on COMMUTATIVE ALGEBRA and  its Interactions to Algebraic Geometry and Combinatorics. PDF

• Università degli Studi di Firenze (ITALY), 25/01, talk entitled Relazioni fra minori di taglia fissata at the Seminario di Geometria. PDF
• Università degli Studi di Pisa (ITALY), 16/02, talk entitled Betti tables of ideals in a polynomial ring at the Seminari di Pisa. PDF
• Università degli Studi di Genova (ITALY), 11/04, talk entitled Cohomological and projective dimensions at the Seminar to the guests Erasmus-Emma-East/INdAM. PDF
• Università degli Studi di Genova (ITALY), June, talk entitled Cohomological dimension of open subsets of the projective space at the workshop: Commutative Algebra and Related Topics. PDF
• MSRI Berkeley (CALIFORNIA, USA), 31/08 and 05/09, tutorial session for lectures entitled Vector bundles and ideal closure operations of Holger Brenner. PDF. (the notes of Brenner's lectures are available here). 
• MSRI Berkeley (CALIFORNIA, USA), 14/09, presentation by a 5 minutes-talk discussing three of my favorite problems. PDF.
• MSRI Berkeley (CALIFORNIA, USA), talk entitled Lower bounds for the arithmetical rank at the Postoc Seminars. PDF
• MSRI Berkeley (CALIFORNIA, USA), 06/12, talk entitled Relations between minors at the workshop: Combinatorial Commutative Algebra and its Applications. PDF

• Universität Basel (SWITZERLAND), 28/04, talk entitled Symbolic powers and matroids at the Seminar of Algebra and Geometry. PDF
• Universität Osnabrück (GERMANY), 07/06, talk entitled Relations between minors at the Kollegseminar Kombinatorische Struckturen in Algebra und Topologie. PDF   
  
• Freie Universität Berlin (GERMANY), 09/06, talk entitled Symbolic powers and matroids at the Discrete Geometry Seminar. PDF        
  

• Politecnico di Torino (ITALY), 15/05, talk entitled Relations among minors at the workshop: GTM seminar. PDF
• CIRM Luminy (FRANCE), 02/11, talk entitled Symbolic powers and matroids at the workshop: Algebre commutative et ses interations avec la geometrie algebrique. PDF

• Università degli Studi di Genova (ITALY), April 2009, talk entitled Combinatorial secant varieties II (within a series of three seminars). PDF
  
• Universität Osnabrück (GERMANY), 02/06, talk entitled Arithmetical rank of certain Segre products at the Kollegseminar Kombinatorische Struckturen in Algebra und Topologie. PDF 

• Università degli Studi di Genova (ITALY), May, talk entitled Cohomological dimension, connectedness properties and initial ideals at the workshop: Genova-Barcelona Workshop on Commutative Algebra and Applications. PDF 
• CIRM Luminy (FRANCE), 02/10, talk entitled Local cohomology, connectedness and initial ideals at the workshop: Algebre commutative et ses interations avec la geometrie algebrique. PDF
• Palazzo Ducale, Genova (ITALY), December, popular talk entitled Teoria dei grafi e teorema dei quattro colori. PDF