Invited Talks at International Conferences

Efficient structural and variational optimization in quantum Monte Carlo
16th International Conference of Quantum Chemistry
June 1823 2018, Menton, France  Simple formalism for efficient derivatives and multideterminant wave functions in QMC
Stochastic methods in electronic structure theory
July 1721 2017, Telluride, USA  Extending the applicability of quantum Monte Carlo to large molecules
FemEx 2017
June 2225 2017, Putten, The Netherlands  Extending the applicability of quantum Monte Carlo to large molecules
253st American Chemical Society Meeting
April 27 2017, San Francisco, USA  Excited states with quantum Monte Carlo: Dissecting polarization in biomolecules
Theory and Applications of Computational Chemistry 2016
Aug 28Sept 2 2016, Seattle, USA  Multiscale modeling for excited states: Capturing polarization in biomolecules
International Society of Theoretical Chemical Physics IX Conference
July 1722, 2016, Grand Forks, USA  Quantum Monte Carlo for excited states in complex environments
251st American Chemical Society Meeting
1317 March, 2016, San Diego, USA  Studying excited states in biomolecules with quantum Monte Carlo: A polarizing issue
56th Sanibel meeting
February 1419, 2016, St. Simons Island, USA  Excitedstate modeling in complex environments: A polarizing issue
Workshop on " Excited States: Electronic Structure and Dynamics"
July 1317, 2015, Telluride, USA  Excited states of biomolecules with quantum Monte Carlo: Don't believe everything you hear
Workshop on "Stochastic Electronic Structure"
June 811, 2015, Telluride, USA  Quantum Monte Carlo for excited states in complex environments
Workshop on "Advances in Electronic Structure Theory"
April 2729, 2015, Paris, France  Computing excited states in complex environments ... You can't always get what you want
Pittsburgh Quantum Institute 2015: Quantum Coherence
April 1517, 2015, Pittsburgh, USA  All work and no play ... Computing excited states in complex environments
International Conference on Theoretical and High Performance Computational Chemistry 2014
September 1418, 2014, Beijing, China  Embedded wavefunctions for excited states: Which wavefunctions? Which embedding?
Lowscaling and Unconventional Electronic Structure Techniques Conference
June 15, 2014, Telluride, USA  Differential polarization effects with wave function/DFT embedding for excited states
Workshop on Densitybased embedding for multiscale simulations
March 2427, 2014, CECAM, Lausanne, Switzerland  Quantum Monte Carlo for excited state calculations
Winter School in Theoretical Chemistry: Theoretical Spectroscopy
December 1619, 2013, Helsinki, Finland  Predictive calculations of excited states ... The good, the bad, and the ugly
New Frontiers in Electron Correlation
June 1520, 2013, Telluride, USA  Sizeextensive wave functions for quantum Monte Carlo: A linear scaling generalized valence bond approach
25th Workshop on Recent Developments in Electronic Structure Theory
June 58, 2012, Wake Forest University, USA  Excitations of (bio)organic molecules from quantum Monte Carlo
Workshop on Excited States and NonAdiabatic Processes in Complex Systems
July 2527, 2011, Girona, Spain  Excitation energies of photoactive biomolecules from quantum Monte Carlo
The International Chemical Congress of Pacific Basin Societies
December 1520, 2010, Honolulu, Hawaii, USA  Excitations in photosensitive biomolecules from Quantum Monte Carlo
Quantum Monte Carlo Meets Quantum Chemistry: New approaches for Electron Correlation
June 1518, 2010, Lugano, Switzerland  Quantum Monte Carlo for excited state calculations
DOE Workshop on Theories of Excited States in Molecules and Nanostructures
June 1314, 2010, Baltimore, USA  Quantum Monte Carlo for excited state calculations
13th International Congress of Quantum Chemistry
June 2227, 2009, Helsinki, Finland  Autofluorescent proteins in a new light: a quantum Monte Carlo study
Workshop on Ab Initio Modeling in Applied Biosciences
Dec 1112, 2008, Uppsala University, Sweden  Autofluorescent proteins in a new light: a quantum Monte Carlo study
11th Asian Workshop on FirstPrinciples Electronic Structure Calculations
Nov 25, 2008, National Sun Yatsen University in Kaohsiung, Taiwan  Autofluorescent proteins: Are firstprinciple calculations predictive?
Workshop on TimeDependent DensityFunctional Theory: Prospects and Applications
Sep 1015, 2008, Benasque Center for Science, Benasque, Spain  Quantum Monte Carlo for electronic structure problems
Summer School: Quantum Monte Carlo from minerals and materials to molecules
July 919, 2007, University of Illinois at UrbanaChampaign, USA  Excitation energies of photoactive biomolecules from quantum Monte Carlo
Progress in abinitio modelling of biomolecules: Towards computational spectroscopy
Apr 24, 2007, Universitá di Roma ''La Sapienza'', Italy  Quantum Monte Carlo methods in electronic structure theory
Forward Look Workshop on European Computational Physics
Nov 1314, 2006, Forschungszentrum Juelich, Germany  Excitations in (bio)molecules from quantum Monte Carlo
11th Nanoquanta Workshop on Electronic Excitations
Sep 1922, 2006, Houffalize, Belgium  Excitations in biomolecules from quantum Monte Carlo
Progress in Abinitio Modeling of Biomolecules: Methods and Applications
Jul 37, 2006, Lorentz Center, Leiden, The Netherlands  Quantum Monte Carlo methods for electronic structure problems
Spring School 2006: Computational Methods in Condensed Matter Physics
Mar 617, 2006, Forschungszentrum Juelich, Germany  Excited states in quantum Monte Carlo: a selfconsistent
scheme for wave function optimization
Psik 2005 Conference toward atomistic materials design
Sep 1721, 2005, Schwäbisch Gmünd, Germany  Quantum Monte Carlo methods for manybody systems
Summer School on Fundamental Problems in Statistical Physics XI
Sep 417, 2005, Leuven, Belgium  Quantum Monte Carlo for ground and excitedstate calculations
Symposium of the Deutsche Forschungsgemeinschaft Programme
Modern and Universal Firstprinciples Methods for Manyelectron Systems in Chemistry and Physics
Jul 46, 2005, Bonn, Germany  Quantum Monte Carlo for excited states of photoactive molecules
XII Workshop on Computational Material Science: Total Energy and Force Methods
Jan 1215, 2005, Trieste, Italy  Wave function optimization for accurate quantum Monte Carlo
calculations
Conference on Computational Physics 2004
Sep 14, 2004, Genova, Italy  Ground and excitedstate quantum Monte Carlo energies:
the importance of wave function optimization
16th Workshop on Recent Developments in Electronic Structure Methods
May 2830, 2004, Rutgers University, New Jersey, USA  Lectures on Variational Monte Carlo for molecular systems
School on Continuum Quantum Monte Carlo Methods
Jan 1223, 2004, Trieste, Italy  Quantum Monte Carlo study of photoactive molecules
American Chemical Society National Meeting
Sep 711, 2003, New York, USA  Surface physics with quantum Monte Carlo
Workshop on ''Abinitio ManyBody Theory for Correlated Electron Systems''
Aug 2529, 2003, Trieste, Italy  Quantum Monte Carlo calculations on materials
Physics School ''Modeling and Simulation in MicroNano Technologies and Material Engineering''
Apr 711, 2003, Toulouse, France  Quantum Monte Carlo pseudopotential calculations for reactions on Si
surfaces
March Meeting of the American Physical Society
Mar 37, 2003, Austin, Texas, USA  Quantum Monte Carlo study of H2 dissociation on Si(001)
43rd Sanibel Symposium
Feb 22Mar 1, 2003, St. Augustine, Florida, USA  Hydrogen adsorption on Si(001): a quantum Monte Carlo study
European Physical Society, CMMP 2002
Apr 711, 2002, Brighton, England  Quantum Monte Carlo calculations of hydrogen adsorption on Si(001)
European Materials Research Society, Spring Meeting 2002
June 1821, 2002, Strasbourg, France  Forces in quantum Monte Carlo from correlated sampling
March Meeting of the American Physical Society
Mar 1216, 2001, Seattle, WA, USA  The puzzle of H2 on Si(001): a quantum Monte Carlo study
X Workshop on Computational Material Science: Total Energy and Force Methods
Jan 1113, 2001, Trieste, Italy  Correlated sampling for the computation of forces in quantum Monte Carlo
Pacifichem 2000, IV International Chemical Congress of Pacific Basin Societies
Dec 1419, 2000, Honolulu, Hawaii, USA  Energy derivatives in quantum Monte Carlo: Forces and optimization
Psik 2000 Conference on Ab Initio Calculations of Complex Processes in Materials
Aug 2226, 2000, Schwäbisch Gmünd, Germany  Computation of forces in quantum Monte Carlo
XII Workshop on Recent Developments in Electronic Structure Methods
May 1922, 2000, Georgia Institute of Technology, Atlanta, GA, USA  Correlation effects in Compton profiles of Lithium
Workshop on Physics of Insulators
JuneJuly 1998, Aspen Center for Physics, Aspen, Colorado, USA  Momentum distribution and Compton profiles of solid Lithium
Workshop on Numerical Methods for Strongly Interacting Quantum Systems
NovDec 1997, Institute for Nuclear Theory, University of Washington, Seattle, WA, USA  Excitation energies from density functional perturbation theory
IX Workshop on Recent Developments in Electronic Structure Methods
May 31June 2, 1997, Cornell University, Ithaca, NY, USA  Quantum Monte Carlo, local density and generalized gradient approximations
Workshop on Real atoms and solids, core and valence electrons,
April 810, 1997, Universitá di Roma ''La Sapienza'', Italy
Invited Seminars
 A rigorous ab initio framework to model photoexcitations in quantum Monte Carlo
Physics@Veldhoven 2019
January 2223, 2019, Veldhoven, The Netherlands  Using the force in quantum Monte Carlo
November 28, 2018, Chemistry Department, Cambridge University, England (A. Thom)  Introduction to quantum Monte Carlo methods
Winter school of the Finnish Doctoral Training Network in Condensed Matter and Material Physics
November 2728, 2017, Tampere, Finland (T. Rantala)  Excitations of (bio)organic molecules from quantum Monte Carlo
January 29, 2014, Center for Multiscale Theory and Computation, University of Muenster, Germany (J. Neugebauer)  Predictive calculations of excited states: A mirage?
November 3, 2013, Institute of Physical Chemistry, KIT Karlsruhe, Germany (C. Jacob)  Solving the Schrödinger equation by random walks: Introduction to quantum Monte Carlo methods
August 2631, 2013, Convergent Distributed Environment for Computational Spectroscopy Summer School, Geneva, Switzerland (T. Wesolowski)  Solving the Schrödinger equation by random walks: Introduction to quantum Monte Carlo methods
December 1216, 2011, Winter School for Theoretical Chemistry and Spectroscopy, HansurLesse, Belgium (B. Ensing).  Solving the Schrödinger equation by random walks: Introduction to quantum Monte Carlo methods
May 1617, 2011, Chemistry Department, Torino, Italy (R. Dovesi)  Quantum Monte Carlo for photochemistry
Winter Modeling 2010, Meeting of the Italian Chemical Society
February 26, 2010, Scuola Normale Superiore di Pisa, Italy (V. Barone)  Photoactive biomolecules: Are firstprinciple calculations predictive?
Scientific meeting on Chemistry related to Physics and Material Sciences, NWO/CW
February 1516, 2010, Veldhoven, The Netherlands  Autofluorescent proteins: Do firstprinciple calculations have predictive power?
June 26, 2008, Amsterdam Center for Multiscale Modeling, The Netherlands (P. Bolhuis)  Quantum Monte Carlo methods in electronic structure theory
Multiscale Computational Chemistry, Spring meeting of the Swiss Association of Computational Chemistry
March 28, 2008, University of Fribourg, Switzerland (C. Daul)  Excitations in (bio)molecules from quantum Monte Carlo
March 27, 2008, Competence Center for Computational Chemistry, Zurich, Switzerland (H.P. Luethi)  Autofluorescent proteins: Do firstprinciple calculations have predictive power?
March 4, 2008, Paul Scherrer Institute, Zurich, Zwitzerland (R. Morf)  Photoactive molecules in a new theoretical light
May 24, 2007, Institute of Physical Chemistry, Aachen, Germany (A. Luchow)  Excited states in quantum Monte Carlo: a selfconsistent scheme for wave function optimization
Oct 18, 2005, Vrije Universiteit, Theoretical Chemistry, Amsterdam, The Netherlands (E.J. Baerends)  Quantum Monte Carlo calculations of excitations in photoactive molecules
Nov 18, 2004, Ecole Polytechnique, Laboratoire des Solides Irradies, Paris, France (L. Reining)  Excitations in photoactive molecules from quantum Monte Carlo
Jun 23, 2004, Chemistry Department, RuhrUniversitaet Bochum, Germany (D. Marx)  Photoactive molecules: do firstprinciple calculations have predictive power?
Apr 15, 2004, Institute for Theoretical Physics, Utrecht, The Netherlands (B. Farid)  Correlated calculations of hydrogen interaction with the Si(001) surface
Nov 9, 2000, Cavendish Laboratory, Cambridge, England (R. Needs)  Prospects for quantum Monte Carlo molecular dynamics
Apr 27, 2000, FritzHaber Institute, Berlin, Germany (P. Kratzer)  Recent developments in quantum Monte Carlo: calculation of forces and
optimized wave functions
Mar 2, 2000, Universitè Pierre et Marie Curie, Paris, France (A. Savin)  Compton profiles of Lithium: a quantum Monte Carlo approach
Nov 14, 1997, University of Purdue, West Lafayette, Indiana, USA (G. Giuliani)  What's right and what's wrong about present day density functionals
Feb 26, 1997, University of Missouri, Columbia, Missouri, USA (G. Vignale)