**2019**

**I41**.**Feynman diagrams in the new era of super-computers**

**Is going to be the gap between theory and computation any smaller?**Nanoscience and Nanotechnology conference, 15-18/10/2019.**I40. The Baym-Kadanoff equation within the GKBA: the only way to a****realistic, ab-initio approach? Pros and Cons.**KBE workshop, Kiel, March 12 2019.**I39. Out-of-equilibrium properties in atoms, molecules and solids: an Ab-Initio perspective,**Università degli Studi di Perugia, Dipartimento di Ingegneria Civile e Ambientale (DICA) &

CNR-ISTM c/o Dipartimento di Chimica, January 11th 2019.

**2018**

**I38**.**First-principles nonequilibrium Green’s function approach to the correlated electron dynamics of atoms, molecules and solids,**the LACUS Day, February 14th 2018, Lausanne.

**2017**

**I37**.**Ab initio simulations of ultra-fast dynamics in two-dimensional materials,**December 18th 2017, 2DOPT, Rome-

**Colloqium. Ultra-fast processes in realistic materials: challenges and perspectives at the beginning of a new atomistic simulations era**, November 8th 2017, Ludwig-Maximilians-Universität. -

**I36. Many body approach to XUV Ultrafast spectroscopy,**July 24th 2016, EMFCS, Erice, Italy. -

**L6. Series of Lectures. EIS-YAMBO round table**, AREA Science Park, 34149 Basovizza, Trieste, 24-25 January.

**2016**

**Colloquium. Ultra-fast processes in realistic materials: challenges and perspectives at the beginning of a new atomistic simulations era**, Physics and Materials Science Research Unit, University of Luxembourg, October 26th 2016.

**L5. Ultrafast electronic processes,**CAMD summer school, August, Denmark [Invited Lecture]

**L4**., July 18th, Barcellona [Invited Lecture]**Post-DFT techniqes**

**I35. The Yambo code: a comprehensive tool to perform ab-initio simulations of equilibrium and out-of-equilibrium properties**, March 16th, Baltimore, APS Macrh Meeting [Invited talk]

, February 2nd, Christian-Albrechts-Universität Kiel, Germany [Invited seminar]**S13. A new approach to describe out-of-equilibrium processes in realistic materials based on the merging of Density-functional Theory with Many-Body Perturbation Theory**

**2015**

, Psi-K conference, San Sebastian,6-10 September, 2015 [Invited Talk].**I35. A new approach to describe out-of-equilibrium processes in realistic materials based on the merging of Density-functional Theory with Many-Body Perturbation Theory**

*I34. A new approach to describe out-of-equilibrium processes in realistic materials based on the merging of Density-functional Theory with Many-Body Perturbation Theory,**XIVth National Conference on Chemical Dynamics,**Xi’An, China, 21-24 August, 2015 [invited talk]*

**L3. Introduction to a many-body approach to the electron-phonon problem,**series of lectures given at the Jinan university, China, August 2015. [invited lectures]

, Green’s function methods: the next generation II, May 4-7, 2015, CECAM Headquarter, Lousanne [Invited Talk]*I33. Non-equilibrium processes from an ab-initio perspective: generalized Hedin’s equations and ultra-fast processes in paradigmatic materials*

**2014**

, Paris, Echole Polytechnique, November 27th (France) [Invited Seminar]**S12. Ultra-fast carrier relaxation in bulk silicon following the photo-excitation with a short and polarized laser pulse**

Toulouse, November 25th (France) [Invited Seminar]**S11. Ultra-fast carrier relaxation in bulk silicon following the photo-excitation with a short and polarized laser pulse,**

, What about U? – Strong correlation from first-principles, June 17-20, 2014, CECAM Headquarter, Lousanne [Invited Talk]**I32. Non-equilibrium ab-initio theory and generalized Hedin’s equations on the Keldysh contour**

, October 30*S10. Non-equilibrium processes from an ab-initio perspective: generalized Hedin’s equations and ultra-fast processes in paradigmatic materials*^{th}2014, Cambridge (England) [Invited Seminar]

- C5. A Many–Body approach to the electron–phonon problem based on a rigorous merging with Density–Functional and Density–Functional Perturbation Theory, 18
^{th}Electron-Vibration ETSF internal Meeting, April 8^{th}2014, Zeuthen (Germany) [contributed talk]

**2013**

- C4. On the merging of DF(P)T and Many-Body Perturbation theory: a practical scheme, 18th ETSF Workshop on Electronic Excitations. Applications to functional and energy materials, October 4th 2013, Luxemburg [contributed talk]

- L2. Introduction to the Many-Body problem, Psi-k/CECAM/CCP9 Biennial Graduate School in Electronic-Structure Methods, September 12th 2013, Oxford (England),[Invited Lecture]

- I31. Unraveling Ultrafast Photo-Induced Phenomena: An Ab-Initio Approach Based on the Non-Equilibrium Green’s Function Method, Time-Dependent Density Functional Theory, August 11-16, 2013, University of New England, Biddeford, ME (U.S.A.),[Invited Talk]

- S9. A Many-Body approach to the equilibrium and out-of-equilibrium properties of complex materials, Physics Department, University of Rome La Sapienza, June 21, 2013.,[Invited Seminar]

- I30. Out-of-equilibrium carrier dynamics in semiconductors: a novel approach, DPG Focus Session: Electron-phonon interaction and ultrafast processes in semiconductors. March 11th 2013, Regensburg (Germany),[Invited Talk]

- S8. Out-of-equilibrium phenomena from a new perspective: an Ab-Initio approach, Arnold Sommerfeld Center, February 6th 2013, Munich, Germany,[Invited Seminar]

- I28. A Many-Body approach to out-of-equilibrium phenomena from an Ab-Initio perspective, Calculation of Optical Properties of Nanostructures from First Principles, February 19th 2013 – February 22th 2013, CECAM, Lausanne, Switzerland,[Invited Talk]

- I27. Competition between the electronic and phonon-mediated scattering channels in the out-of-equilibrium carrier dynamics of semiconductors: an ab-initio approach., XVI international workshop on computational physics and materials science: total energy and force methods. 10-12 January 2013, Trieste (Italy).,[Invited Talk]

**2012**

- I26. An Ab-Initio approach to the dynamics of electrons and excitons in solids driven out-of-equilibrium by strong laser pulses, FILMITh 2012, Max Plank Institute of the Munich University. September 20th, 2012.,[Invited Talk]

- I25. An Ab-Initio approach to out-of-equilibrium phenomena, MONAS Workshop, University of Rome 3. September 14th, 2012.,[Invited Talk]

- I24. Phonon-induced dynamics of electrons and excitons in solids driven out-of-equilibrium by strong laser pulses: an Ab-Initio approach, Progress in Nonequilibrium Green’s Functions V. University of Jyväskylä, Finland. August 27th – 31st, 2012,[Invited Talk]

- S7. Electronic and excitonic dynamics in solids driven out-of-equilibrium by ultra-strong laser pulses, Tokyo University, Japan. July 4th, 2012.,[Invited Seminar]

- I23. Excitonic collapse in solids driven out-of-equilibrium by ultra-strong laser pulses, MASP2012 Symposium, Institute for solid state physics, Tokyo University, Japan. July 2nd, 2012.,[Invited Talk]

- L1. Finite temperature calculations of the electronic and optical properties of solids and nanostructures: the role of electron-phonon coupling from an Ab-Initio perspective, MASP2012 Workshop, Institute for solid state physics, Tokyo University, Japan. June 29th, 2012.,[Invited Lecture]

- S7. Phonon-induced dynamics in out-of-equilibrium electronic systems, Max Planck Institute for Solid State Research, Stuttgart, Germany. May 2nd, 2012.,[Invited Seminar]

- I22. Electron-phonon mediated de-phasing in electronic systems driven out-of-equilibrium by ultra-strong laser pulses, Fourth Workshop / Vienna Computational Materials Laboratory, April 12th, 2012.,[Invited Talk]

- I21. Ultrafast and Nonlinear Phenomena at the nano-scale: theoretical challenges and ground-breaking applications, CNR, Roma, Italy, 2nd February 2012.,[Internal Talk]

**2011**

- S6. Solids under intense ultrafast excitations: a time-dependent Bethe-Salpeter approach, CNR, Pisa, Italy, 26th October 2011.,[Invited Seminar]

- Solids under intense ultrafast excitations: a time-dependent Bethe-Salpeter approach, ETSF Workshop, Turin, Italy, 28th September 2011.,[Contributed Talk]

- I20. Carbon nanotubes in confined magnetic fields: the anomalous Aharonov-Bohm effect, “Graphene roadmap consultation workshop: First principles computational methodologies for 2D materials ”, Lancaster University, UK, Setpember 14, 2011 to June 16, 2011,[Invited Talk]

- I19. Giant zero-point-motion effects in carbon-based nanostructures, Challenges and Solutions in GW Calculations for Complex System, CECAM-HQ-EPFL, Lausanne, Switzerland, June 7, 2011 to June 10, 2011,[Invited Talk]

- I18. Anomalous Aharonov–Bohm gap oscillations in carbon nanotubes, I Workshop su Fisica della Materia e Scienza dei Materiali Computazionali al Dipartimento Materiali e Dispositivi del CNR DMD-TeoC 2011,[Invited Talk]

**2001-2010**

- C3. Carbon nanotubes in confined magnetic fields: Aharonov–Bohm oscillations and persistent currents from a new perspective, New Frontiers in Theoretical Spectroscopy and Quantum Transport, Berlin 12-15 October 2010,[Contributed Talk]

- S5. Carbon nanotubes in confined magnetic fields: gap oscillations and persistent currents from a new perspective, Centre for Computational Physics and Physics Department, University of Coimbra (Portugal), September 24th, 2010,[Invited Seminar]

- I17. Giant polaronic effects in solids and nanstructure, DPG Spring Meeting in Regensburg, Germany, 21-26 March 2010,[Invited Talk]

- I16. Highlights from the Yambo Project: Excitonic polarons and non-equilibrium processes., Scuola Internazionale Superiore di Studi Avanzati (SISSA), September 10th, 2009,[Invited Seminar]

- I15. Electronic excitations and atomic vibrations: a many-body approach, Società Italiana di Fisica, XCV Congresso Nazionale, Bari, 28 Sept. – 3 Oct. 2009,[Invited Talk]

- I14. Phonons and vibrons as markers of the composite nature of excitons in solids and nanostructures, Area della Ricerca RM 1, CNR, June 11th 2009. [Invited Talk]

- I13. Yambo: an ab initio tool for excited state calculations, ABINIT 2009 – 4th developer workshop, Autrans (France) 24-27th March, 2009.,[Invited Talk]

- I12. Ab-Initio finite temperature excitons., MORE 2008, November 19-12, 2008, Vienna.,[Invited Talk]

- I11. Ab-Initio finite temperature excitons., Progress in Computational Electronic Structure Theory, Gustav-Stresemann-Institut, January 10-12, 2008, Bonn (Germany).,[Invited Talk]

- C2. Exciton-Phonon coupling in the finite temperature optical absorption of semiconductors., 12th Nanoquanta Workshop on Electronic Excitations. Aussois, France, September 21 2007.,[Contributed Talk]

- I10. Exciton-Phonon coupling in the finite temperature optical absorption of semiconductors., Unité de Physico-Chimie et de Physique des Matériaux (PCPM) Louvain-la-Neuve, Belgium, August 6 2007.,[Invited Seminar]

- S4. Exploring the Ab-Initio excited-state world with the SELF project., Department of Physics, University of Rome “Tor Vergata”, Rome, April 13, 2007.,[Internal Seminar]

- I9. Talking about my(SELF): theory, applications and challenges, S3, NanoStructures and bioSystems at Surfaces, Modena, January 23, 2007.,[Invited Talk]

- I8. The curse of linear response island: secrets and pioneers, Young Researchers’ Meeting, Rome, 3-5 May 2006.,[Invited Talk]

- O1. Many-Body perturbation theory applied to solid state physics: codes, algorithms and resources, Giornata Computazionale. Rome, April 4 2006.,[Internal Talk]

- S3. From quasiparticles to quasiexcitons: the many-body quasi-life in noble d-metals, Cagliari, October 19 2005.,[Invited Seminar]

- I7. Optical properties of interacting electronic systems: many-body versus time-dependent density-functional approach, Psi-K 2005. Schwabisch Gmund, Germany, September 17-21, 2005.,[Invited Talk]

- S2. Solids beyond the single-particle approximation: an introduction to Ab-Initio Many-Body perturbation theory, Institut d’Electronique de Microelectronique et de Nanotechnologie – Dept. ISEN, Lille, France, January 25, 2005.,[Invited Seminar]

- I6. New theoretical tools to describe electron-hole effects in the spectra of solids and nanostructures, 3rd International Conference Computational Modeling and Simulation of Materials, Acireale, Sicily, Italy, May 29 to June 4 2004,[Invited Talk]

- I5. Bound excitons in time-dependent density-functional-theory: a Many-Body approach to the exchange-correlation Kernel, The 20th General Conference of the Condensed Matter Division of the European Physical Society, Prague July 19-23, 2004.,[Invited Talk]

- C1. A three-point Many-Body vertex function from Time-Dependent Density-Functional-Theory, NANOEXC2004 workshop on Theory and Modeling of Electronic Excitations in Nanoscience Hotel Villa del Mare, Acquafredda di Maratea (PZ), Italy. 19-23 September 2004.,[Contributed Talk]

- I4. Quasiparticles and excitons in extended systems: Many-Body versus Time-Dependent Density-Functional-Theory, Workshop on Ab-initio Methods for Correlated Spintronics Materials: Theories and Applications, Monastery of Mont Sainte Odile, Strasbourg, France, September 4-7, 2004.,[Invited Talk]

- I3. Quasiparticles, plasmons and excitonic effects in metals: a Many-Body approach to the electronic and optical properties of copper and silver, Workshop on Coincidence Studies of Surfaces, Thin Films and Nanostructures,[Invited Talk]

- S1. Proprieta’ ottiche ed elettroniche di rame ed argento: teoria del funzionale densita’, quasiparticelle ed eccitoni in sistemi metallici, Dipartimento di Fisica, Universita’ degli Studi di “Roma Tre”, 4-10-2002.,[Invited Seminar]

- I2. Proprieta’ ottiche ed elettroniche di rame ed argento nell’approssimazione GW, XXI Convegno di fisica teorica e struttura della materia, Fai della Paganella, 21-24/4/2002.,[Invited Talk]

- I1. One, two and three-body channels of the Core-Valence-Valence Auger Photoelectron Coincidence Spectra of early transition metals 5th International Workshop on Auger Spectroscopy and Electronic Structure (IWASES-5), Cortona, 2-6/7/2001,[Invited Talk]