## presentations

that I have given since 2006 or that I am going to give shortly

older presentations are being uploaded gradually

###### 2022

CECAM Mixed-Gen webinar given on December 15, 2022

Webinar given at the NCCS School on *Efficient materials modelling on HPC with Quantum ESPRESSO, Yambo, and BigDFT*,
EuroCC National Competence Centre Sweden, November 15, 2022

Talk given at the 2022 Psi-k conference, Lausanne, August 22-25, 2021

Virtual talk given at the 2022 CSI workshop on *Modeling for Molecular Simulation*, Princeton University, July 7-8, 2022

Virtual talk given at the IPAM workshop on *Large-Scale Certified Numerical Methods in Quantum Mechanics*, May 6, 2022

Webinar given at the virtual course on *Addressing the Challenges of Digital Innovation: Supercomputing and Business*, Trieste-Bologna, 16-18 marzo 2022 (slides in English, in spite of the Italian title)

###### 2021

Talk given at the workshop *Recent Developments in Quantum Monte Carlo*, held in Rome, October 21-22, 2021, to celebrate the sixtieth birthday of Saverio Moroni

MaX School on *Advanced Materials and Molecular Modelling with Quantum ESPRESSO*, May 17-28, 2021, Trieste and Shanghai

Talk given at the March Meeting of American Physical Society, online, March 17, 2021

###### 2020

MARVEL distinguished lecture given at the Ecole Polytechnique Fédérale de Lausanne and broadcasted from home, November 17, 2020

Semi-plenary talk given at the CMD28 / 2020GEFES on-line conference, Universidad Autónoma de Madrid, September 2, 2020

Talk scheduled at the March Meeting of American Physical Society, Denver, CO, March 2-6, 2020, and cancelled dued to the outbreak of the COVID19 pandemic

Talk given at the Department of Chemistry, University of Cambridge, February 12, 2020

Lecture given at the *Computational School on Electronic Excitations in Novel Materials Using the Yambo Code*,
the Abdus Salam International Centre for Theoretical Physics, Trieste, January 27-31, 2020

Talk given at the *Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie*,
Sorbonne Université, Paris, January 16, 2020

###### 2019

Talk given at the *20th Symposium on Condensed Matter Physics*, Belgrade, October 7-11, 2019

Talks given at the *XVIII meeting of the Brazilian Materials Research Society*, Balneário Camboriú, Brazil, September 22-26, 2019

*Watching flowers through a silicon glass: multiscale simulation of the color optical properties of natural dyes**Topological quantisation and gauge invariance of charge transport in liquid insulators*

Speeches given at the *Summer School on Advanced and Materials and Molecular Modelling*,
Jožef Stefan Institute, Ljubljana, September 16-20, 2019

*Modelling materials using quantum mechanics and digital computers: the plane-wave pseudo potential way**Welcome address**Density-functional perturbation theory: response functions, phonons, and all that*

MaX webinar on *Industry and materials design at the eXascale*, September 4, 2019

*Quantum mechanics on the supermarket shelf: how theoretical physics helped design a healthier colorant for popular candies*(keynote)

Talk given at the *International Conference on Multi-Scale Modelling and Simulation of Materials (ICM3)*,
July 1-5, 2019, Ningbo, China

Talk given at the *Conference on Nanophononics: Bridging Statistical Physics, Molecular Modeling, and Experiments*,
International Centre for Theoretical Physics, Trieste, June 24-28, 2019

Lectures given at the *ICTP Caribbean School on Materials for Clean Energy*, Cartagena de Indias,Colombia, May 30 — June 5, 2019

Short undergraduate to early-graduate course given at the *University of Trento*, May 16-22, 2019

###### 2018

Talk given at the *proESOF TESI International Meeting on Open Access and Impact of Research Infrastructures*, Trieste, June 18-19, 2018

Lectures given at the *Quantum ESPRESSO Workshop,* Penn State University, May 21-25, 2018

*Modelling materials using quantum mechanics and digital computers: the plane-wave pseudopotential way**Density-functional perturbation theory: response functions, phonons, and all that*

Colloquium given at the Physics Department of the Bilkent University, Ankara, May 9, 2018

Talk to be given at the *ICN2 Severo Ochoa International Conference 2018*, Barcelona, February 15-16, 2018

Talk given at the *MaX Conference on Materials Design Ecosystem at the Exascale* the Abdus Salam International Centre for Theoretical Physics, Trieste, January 29-31, 2018

###### 2017

Keynote talk given at the XXIX IUPAP Conference on Computational Physics, Paris, July 9-13, 2017

Talk given at the March Meeting of American Physical Society, New Orleans, LA, March 13-17, 2017

Talks given at the Department of Earth Sciences at University College London (February 20, 2017), the Department of Physics at the University of Cambridge (February 23, 2017), and the Department of Materials at the University of Oxford (February 24, 2017)

Lecture given at the *Advanced Workshop on High-Performance & High-Throughput Materials Simulations using Quantum ESPRESSO*, the Abdus Salam International Centre for Theoretical Physics, Trieste, January 16- 27, 2017

Talk given at the *18th International Workshop on Computational Physics and Materials Science: Total Energy and Force Methods*, the Abdus Salam International Centre for Theoretical Physics, Trieste, January 12- 14, 2017

###### 2016

Talk given at the *First International Symposium on Research and Education in Computational Science*, The University of Tokyo, November 29-30, 2016

Talk given at the Department of Physics, the University of Tokyo, November 28, 2016

Talk given at the *International Conference on Algorithms and Applications for Excited State Electronic Structure Theories*, Beijing Computational Science Research Center, Beijing, China, August 8-10, 2016

Talk given at the CPMD 2016 Conference, Institute for Molecular Engineering, University of Chicago, May 18-20, 2016

Lectures given at the *EUSpec Winter School on Core Level Spectroscopies*, University of Nova Gorica, Ajdovščina, Slovenia, February 1-11, 2016

*Density-functional perturbation theory: response functions, phonons, and all that**Density-functional perturbation theory goes time-dependent*

###### 2015

Lectures given at the Quantum ESPRESSO Spring School, Córdoba, Argentina, September 28 – October 2, 2015

*Density-functional perturbation theory: response functions, phonons, and all that**Density-functional perturbation theory goes time-dependent**Computer simulation of thermally activated processes with Quantum ESPRESSO*]

Talk given at the 19th Symposium on Condensed Matter Physics, Belgrade, September 7-11, 2015

*What I cannot compute I do not understand: fathoming heat transport from the struggle to simulate it*

Talk given at the symposium in honor of Flavio Toigo’s seventieth birthday, Padua, June 4-5, 2015

*What I cannot compute I do not understand: fathoming heat transport from the struggle to simulate it*

Talk given at the symposium in honor of Giovanni B. Bachelet’s sixtieth birthday, Rome, May 4-6, 2015

*What I cannot compute I do not understand: fathoming heat transport from the struggle to simulate it*

###### 2014

Lectures given at the Quantum ESPRESSO Workshop, Penn State University, State College PA, June 16-20, 2014

*Density-functional perturbation theory: response functions, phonons, and all that**Density-functional perturbation theory goes time-dependent*

*Quantum seminars* given at the Department of Physics, University of Trieste, May 5-12, 2014

- Classical diffusion, quantum mechanics, computer simulations: wanders of a quantum practitioner into the harsh Land of Theory

Talk given at the Department of Chemical System Engineering, University of Tokyo, April 28, 2014

*Ab initio colors*

Lecture given at the course and hands-on tutorial on Computer modeling of materials at the nanoscale, University of Tokyo, Japan, April 23-26, 2014

*Computational spectroscopy with Quantum ESPRESSO**The Quantum ESPRESSO project & foundation*(concluding remarks to the course and tutorial)

Lectures given at the *Workshop on Computational Nanoscience*, March 30 – April 5, 2014, Shiv Nadar University, Delhi, India

*Ab initio colors*(public lecture)*Density-functional perturbation theory goes time-dependent*(lecture)*The Quantum ESPRESSO project & foundation*(introduction to the hands-on tutorial)

Mini-course given at the Department of Physics of the University of Cagliari, Italy, March 10-11, 2014

*Density-functional perturbation theory goes time-dependent*

###### 2013

Speech given at the Friuli Future Forum, Udine, Italy, November 27, 2013

*I sapori dell’arcobaleno: vedere colori e colorare il cibo con il computer*

Speech given at the celebratory symposium to honor Claudio Rebbi’s seventieth birthday, Hotel Commonwealth, Boston MA, October 25, 2013

*Classical diffusion, quantum mechanics, computer simulations: two-three ideas from condensed-matter physics that Claudio may like, and a fourth that made us meet*

Greater Boston area theoretical chemistry lecture, given at Harvard University, Cambridge MA, October 24, 2013

*Ab initio colors*

Talk given at the IMMM@HPC Industrial Forum and Training for Materials Modeling, Bologna, September 11-13, 2013

*The Quantum ESPRESSO project & foundation*

Talk given at the *FISMAT2013 Conference on Condensed-Matter Physics*, Milano, September 9-13, 2013

*Ab initio colors*

Lecture given at the ICTP *Workshop on Density Functional Theory and Beyond: Computational Materials Science for Real Materials*, ICTP, Trieste, Italy, August 8-15, 2013

*Simulating molecular excitations using quantum mechanics and digital computers*

Lecture given at the CECAM Summer School on Atomistic Simulation Techniques for Materials Science, Nanotechnology and Biophysics, SISSA, Trieste, Italy, July 8-26, 2013

*Modeling materials using quantum mechanics and digital computers – variational principles, the Hellmann-Feynman theorem, density-functional theory*

Lectures given at the Joint ICTP-NSFC School and Advanced Workshop on Modern Electronic Structure Computations, July 8-9, 2013, Fudan University, Shanghai

*Modeling materials using quantum mechanics and digital computers – variational principles, the Hellmann-Feynman theorem, density-functional theory**Density-functional perturbation theory: phonons, response functions, and all that*

Talk given at the International Symposium on Multi-scale Modeling and Simulation of Materials, July 8-9, 2013, Fudan University, Shanghai

*Harnessing molecular excites states with Lanczos chains*

Informal webinar for internal use, broadcasted on April 29, 2013

*Quantum materials modeling using density-functional theory*

Talk given at the Ångströmlaboratoriet, University of Uppsala, Sweden, April 19, 2013,

*Ab initio colors*

Informal short lecture given at the Laboratoire des Solides Irradiés, Ecole Polytechnique, Palaiseau, France, April 15, 2013

*Kohn anomalies for the rest of us*

Talk given at Department of Materials, Ecole Polytechniyque Fédérale de Lausanne, Switzerland, March 25, 2013,

*Ab initio colors*

Guest lecture given at the Department of Materials, EPFL, Lausanne, Switzerland, March 12, 2013

*A gentle (and slightly fake) introduction to Quantum Mechanics*

Talk given at the CECAM workshop on *Calculation of Optical Properties of Nanostructures from First Principles*, EPFL, Lausanne, February 19-22, 2013

*Excited-state calculations without Kohn-Sham excited-state orbitals*

Talk given at the 2013 Quantum ESPRESSO Developers’ meeting, SISSA, Trieste, January 9, 2013

*The Quantum ESPRESSO project & foundation*

###### 2012

Talks given at the 15th *Asian Workshop on First-Principles Electronic Structure Calculations*, November 5-7, 2012, Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei

*Modeling the color of natural dyes**The Quantum ESPRESSO project & foundation*

Talk given CECAM Conference Energy from the Sun, Chia Laguna, Italy, September 10-14, 2012

*Modeling the color of natural dyes*

Lectures given at the *Joint ICTP – TWAS Caribbean School on Electronic Structure Fundamentals and Methodologies*, Cartagena, Colombia, August 27 – September 21, 2012

*Zen and the art of computer simulation: an introduction to the QUANTUM ESPRESSO project and philosophy**Modeling materials using quantum mechanics and digital computers: variational principles, the Hellmann-Feynman theorem, density-functional theory*

Lecture given at the HoW exciting! Hands-on Workshop on Excitations in Solids, Humboldt Universität zu Berlin, Germany, August 2-8, 2012

*Density-functional perturbation theory: response functions, phonons, and all that*

Lecture given at CECAM Summer School on Atomistic Simulation Techniques for Material Science, Nanotechnology and Biophysics, SISSA, Trieste, Italy, July 9-28, 2012

*Density-functional perturbation theory goes time-dependent*

Lecture given at the CEA-INSTN summer school on Fundamentals of thermodynamic modeling of materials, Saclay, France, July 2-6, 2012

*Density-functional perturbation theory: phonons, response functions, and all that*

Lectures given at the Quantum ESPRESSO Workshop, Penn State University, State College PA, June 25-29, 2012

*Density-functional perturbation theory: phonons, response functions, and all that**Density-functional perturbation theory goes time-dependent*

Talk given at ICAMM 2012: Second International Conference on Advanced Materials Modeling, Nantes, France, June 14-16, 2012

*Ab initio colors*

Talk given at the Physics Department of the University of North Texas, June 12, 2012

*Ab initio colors*

Talk given at ES12: The 24th Annual Workshop on Recent Developments in Electronic Structure Theory, Wake Forest University, Winston-Salem NC, June 5-8, 2012,

*Ab initio colors*

Talk given at the meeting of the Eurotech Scientific Advisory Board, Amaro, Italy, May 31,

*The Quantum ESPRESSO project & foundation*

Talk given at the 5th International workshop and school on Time-dependent Density-Functional Theory: Prospects and Applications, Benasque, Spain, January 3-17, 2012

*Ab initio colors (and a few thoughts on functionals for spectroscopy)*

###### 2011

Talk given at the Workshop on First-Principles Computational Methodologies for Two-Dimensional Materials, Lancaster University, UK, September 14-16, 2011

*Computational spectroscopy with Quantum ESPRESSO*

Talk given at the workshop in honor of Alfonso Baldereschi’s 65th birthday, EPFL, Lausanne, Switzerland, September 9, 2011

*Ab initio colors*

Lectures given at the Ψk-CECAM-CCP9 Biennial Graduate School in Electronic-Structure Methods, Department of Materials, University of Oxford, UK, July 10-16, 2011

*Modeling materials using quantum mechanics and digital computers: variational principles, the Hellmann-Feynman theorem, density-functional theory**(time-dependent) density-functional perturbation theory*

Talk given at the Department of Materials, University of Oxford, UK, May 10, 2011

*Bridging the size gap between ground- and excited-state electronic-structure calculations*

Talk given at the Laboratorio Interdisciplinare di Scienza Computazionale, Università di Trento, Italy, May 5, 2011

*Powering computational spectroscopy into the hundred-of-atoms size range and beyond*

Welcome address to SISSA condensed-matter freshmen, Trieste, Italy, March 16, 2011

*Why things work the way they do: serious answers to silly questions*

Report to the SISSA International Advisory Committee, Trieste, Italy, March 10, 2011

*Condensed matter theory and simulation @SISSA*

Talk given at the CNR-DMD workshop on Computational Materials Science, Rome, Italy, February 21-22, 2011,

*The Quantum ESPRESSO project & foundation*

Brief speech given at the Mi&LAB Microfestival su scienza, musica, arte e tecnologia: Lo statuto del caso, Teatro Miela, Trieste, Italy, February 7, 2011,

*Casualità, causalità, caso e caos*

Lecture given at the Hands-on tutorial on electronic-structure computations, the Abdus Salam International Centre for Theoretical Physics, Trieste, Italy, January 17-21, 2011

- Density-functional perturbation theory: forces, response functions, phonons, and all that (lecture slides)

###### 2010

Lecture given at the JNCASR/SISSA/IBM School on First Principles Simulations, JNCASR, Bangalore, India, November 29-December 2, 2010,

*Electronic structure, density-functional theory, plane waves: a quick (and, slightly, different), overview, of terms, concepts, and codes*

Seminar given at the Indian Institute of Science, Education, and Research, Pune, India, November 18, 2010,

*Computational spectroscopy: from proof-of-concept experiments towards realistic modeling of complex electronic systems*

Lecture given at the Winter school on Fundamentals of Thermodynamic Modeling of Materials, INSTN-CEA, Saclay, France, November 15-19, 2010,

*Density-functional perturbation theory for quasi-harmonic calculations*

Seminar given at the École Polytechnique, Palaiseau, France, November 15, 2010,

*Harnessing molecular excited states with Lanczos chains*

Lecture given at the HoW exciting! hands-on tutorial, CECAM, Lausanne, Switzerland, November 11-17, 2010

*Density-functional perturbation theory: forces, response functions, phonons, and all that*

Lecture given at the *NanoExcite* hands-on tutorial, SISSA, Trieste, Italy, October 18-22, 2010

*Density-functional (perturbation) theory*

Talk given at the kickoff meeting of the Officina dei Materiali institute, Trieste, Italy, September 30-October 1, 2010

*Materials modeling and computational spectroscopy with Quantum ESPRESSO*

Plenary lecture given at the Ψk 2010 Conference, Berlin, Germany, September 12-16, 2010

*Powering computational spectroscopy into the hundred-of-atoms size range and beyond*

CECAM Tutorial on Simulating spectroscopy using QUANTUM ESPRESSO and related codes, SISSA, Trieste, Italy, July 26-30, 2010

*Density-functional perturbation theory goes time-dependent**Computational spectroscopy with Quantum ESPRESSO*

CECAM Summer School on Atomistic Simulation Techniques, SISSA, Trieste, Italy, July 5-24, 2010

*Watching the sound of waves: the science, art, and craftsmanship of Fourier analysis**Computational spectroscopy with Quantum ESPRESSO*

Spring College on Computational Nanoscience, ICTP, Trieste, Italy, May 17-28, 2010

*Variational principles, the Hellmann-Feynman theorem, density-functional theory**Density-functional perturbation theory: forces, response functions, phonons, and all that*

Short course given at the Fudan University, Shanghai, China, January 11-15, 2010

*(time-dependent) density-functional (perturbation) theory*

###### 2009

Fall meeting of the American Geophysical Union, San Francisco CA, December 14-18, 2009

*Computational spectroscopy with Quantum ESPRESSO*

MSA short course on Theoretical and computational methods in mineral physics: applications to geophysics, Berkeley CA, December 10-12, 2009

*Density-functional perturbation theory for quasi-harmonic calculations*

IARS Frontier Workshop on DFT and its Applications in Nanosciences, Institute of Theoretical and Applied Physics, Kaygıseki Mevkii Turunç, Marmaris Muğla, Türkiye, October 19-29, 2009

*Electronic structure, density-functional theory, plane waves: a quick (and slightly different) overview of terms, concepts, and codes**Density-functional perturbation theory: forces, response functions, phonons, and all that*- Density-functional perturbation theory goes time-dependent

Summer school on Modeling nanostructures using density-functional theory, Izmir Yüksek Teknoloji Enstitüsü, Izmir, Türkiye, August 10-21, 2009

*Density-functional perturbation theory goes time-dependent*

Summer school on Materials modeling from first principles: theory and practice, International Center for Materials Research, University of California at Santa Barbara, July 19-31, 2009

*Electronic structure, density-functional theory, plane waves: a quick overview of terms and concepts**Density-functional perturbation theory: forces, response functions, phonons, and all that**Density-functional perturbation theory goes time-dependent*

Talk given at the Physics Department, Arizona State University, Tempe AZ, July 13, 2009

*Harnessing molecular excited states with Lanczos chains*

Gordon Research Conference on Time-dependent density-functional theory, Colby College, New London NH, July 5 – 20, 2009

*Introduction to a session on numerical developments and new functionals*

Gordon Research Conference on Time-dependent density-functional theory, Colby College, New London NH, July 5 – 20, 2009

*Harnessing molecular excited states with Lanczos chains*

Workshop on Accessing large length and time scales with accurate quantum methods, held in honor of Mike Gillan’s 65th birthday, Materials Simulation Laboratory, UCL, London, UK, January 12-13, 2009

*Harnessing molecular excited states with Lanczos chains*

###### 2008

Colloquium given at the Competence Center for Computational Chemistry (C4), ETH Zürich, Switzerland, October 9, 2008

*Bridging the size gap between ground- and excited-state electronic-structure calculations*

Open day, Miramare Science Campus: un mondo di scienza da esplorare, SISSA, Trieste, Italy, September 20, 2008

*Teoria e simulazione numerica: due potenti microscopi per guardare la materia alla scala nanometrica*

Hands-on tutorial on the QUANTUM ESPRESSO package, following the International symposium on Multi-scale modeling and simulation of materials Fudan University, Shanghai, China, July 7 – 11, 2008

*Simulating the structure and dynamics of matter using density-functional theory: the plane-wave pseudopotential way*

International symposium on Multi-scale modeling and simulation of materials, Fudan University, Shanghai, China, July 7 – 11, 2008

*Density functional perturbation theory goes time-dependent*

CPMD 2008 conference on Modeling and computation of structure and dynamics of condensed phase systems, ICTP, Trieste, Italy, June 23 – 27, 2008

*Density functional perturbation theory goes time-dependent*

Talk given at the Accademia Peloritana dei Pericolanti, Messina, Italy, February 22, 2008

*Classical diffusion, quantum mechanics, computer simulations: understanding non equilibrium phenomena using path integrals and digital computers*

###### 2007

CASPUR Scuola estiva di calcolo avanzato, Grottaferrata, Roma, Italy, August 27 – September 7, 2007

*Zen and the art of computer simulation*

CCP2007 Conference on Computational Physics, Bruxelles, Belgium, September 5 – 8, 2007

*Density-functional perturbation theory goes time-dependent*

Gordon Research Conference on Time-dependent density-functional theory, Colby College, Maine, July 15 – 20, 2007

*Turbocharging time-dependent density-functional theory with Lanczos chains*

Seminars given at the Cavendish Laboratory Cambridge (June 14) and King’s College London, UK, June 26, 2007

*Density functional perturbation theory goes time-dependent*

Roberto Car 60th Birthday Symposium, Trieste, Italy, June 21 – 23, 2007

*Density functional perturbation theory goes time-dependent*

Topical session on Computer Simulations of the Master in Comunicazione della Scienza, SISSA, Trieste, Italy, May 31, 2007

*Lo zen e l’arte della simulazione numerica*

Colloquium given at the School of Physics of the University of Sidney, Australia, March 12, 2007

*Classical diffusion, quantum mechanics, computer simulations: understanding non-equilibrium phenomena using path integrals and computers*

13th international workshop on Computational Physics and Materials Science: Total Energy and Force Methods, Trieste, Italy, January 10 – 13, 2007

*Turbocharging time-dependent density-functional theory with Lanczos chains*

###### 2006

ESF forward look on European computational science, community level workshop: Atomistic simulations, Jülich, Germany, November 13 – 14, 2006

*Computer simulation from ideas to algorithms, codes, and applications*

International workshop on Time-dependent density-functional theory: prospects and applications, Benasque, Spain, September 6 – 10, 2006

*Turbocharging time-dependent density-functional theory with Lanczos chains*

Summer school on Electronic structure calculations and correlated materials, Les Houches, France, August 27 – September 8, 2006

*Density Functional Theory: a different elementary introduction*(lecture notes, draft)

Summer school on Ab initio molecular dynamics methods in chemistry, University of Illinois at Urbana Champaign IL, July 31 – August 11, 2006

*Molecular structure and dynamics with DFT: the plane-wave pseudopotential way**Computer simulation of thermally activated processes**Density-functional perturbation theory: forces, response functions, and all that*

Summer school on Electronic structure methods and applications, and workshop on Computational materials theory, Bangalore, India, July 10-22, 2006

*Density-functional perturbation theory: forces, response functions, and all that**Turbocharging time-dependent density-functional theory with Lanczos chains**Zen and the art of computer simulations: an inquiry into values*

vLab Tutorial on Computational materials/mineral physics, University of Minnesota, Minneapolis, May 21 – June 3, 2006

*The plane-wave pseudopotential method**Density-functional perturbation theory: forces, response functions, and all that**The Quantum ESPRESSO project*

International congress on Materials science and engineering CISGM4, University of Tlemcen, Algeria, May 2-4, 2006

*Density-functional perturbation theory: from lattice vibrations to electronic excitations*

March Meeting of the American Physical Society, Baltimore MD, March 13-17, 2006

*Turbocharging time-dependent density-functional theory with Lanczos chains*