Tomasz A. Wesolowski
Department of Physical Chemistry
University of Geneva
Recent Talks

2012


Revealing the bonding pattern from the molecular electron density using single exponential decay detector (SEDD): an orbital-free alternative to the electron localization function (ELF)

Modeling and Design of Molecular Materials 2012, Sept. 10-14, 2012, Wroclaw, Poland


Orbital-free approximations for the bifunctional for the non-additive kinetic energy

CECAM Workshop: Orbital-free approach for high energy density physics, Sept. 5-7, 2012, Paris, France


Methods to bridge the quantum and classical levels in numerical simulations based on Frozen-Density Embedding Theory

Americal Chemical Society Fall Meeting, August 19-23, 2012, Philadelphia, USA


Density-functional-theory strategy to solve approximately quantum many-body problem: the main ideas over the last 50 years and their reflection in terminology

Swiss Physical Society Annual Meeting, Zurich, June 21, 2012


Frozen-Density Embedding Theory based strategy to compute accurately the environment-induced shifts in the electronic levels for large moleculer clusters and nano-materials

Electronic Structure Theory for Strongly Correlated Systems: In celebration of Per Ake Malmqvist' 60th birthday and his career dedicated to quantum chemistry, 29 May- 1 June, 2012, Palermo, Italy


Joining seamlessly microscopic and macroscopic levels of description of matter: challenges and perspectives for modelling methods based on Frozen-Density Embedding Theory

Kathmandu 2012 Workshop on Theoretical Chemistry Atoms, molecules and solids: models and concepts, Kathmandu, Nepal, 30 April - 4 May 2012


Frozen-Density Embedding Theory: first-principles based strategy for multi-level simulations

52nd Sanibel Symposium, Feb. 19-24, 2012, St. Simons Island, GA, USA


Frozen Density Embedding theory and its practical applications for modelling electronic structure in condensed phase

Interdisziplinres Zentrum fuer Wissenschaftliches Rechnen (IWR), Feb.9, 2012, University of Heidelberg, Heidelberg, Germany



2011


Modelling the effect of environment on electronic excitations in embedded chromophores

Winter School in Theoretical Chemistry 2011: Excited State Properties December 12-15, 2011, University of Helsinki, Helsinki, Finland


Modelling shapes of absorption bands of chromophores in condensed phase.

"Holistic Computational Spectroscopy: innovative concepts, modern tools, strategic vision and challenges" Nov. 16-18, 2011, Scuola Normale Superiore, Pisa, Italy


Electronic excitations of organic chromophores in condensed phase

"Modeling Interactions in Biomolecules V" Sept. 4-9, 2011, Kutna Hora, Czech Republic


Eliminating orbitals from Kohn-Sham DFT: orbital-free DFT and Frozen-Density Embedding Theory

"WE-Heraeus Summer School 2011: Computer Simulations on Nanotechnology for the Environment", 3-15 July, 2011, Jacobs University Bremen, Germany


Recent applications of Frozen-Density Embedding Theory based methods

"XIth worshop of deMon developers", 1-3 July, 2011, Jacobs University Bremen, Germany


Frozen-Density-Embedding Theory: stan teorii, przyblizenia i praktyczne zastosowania

Departamental talk (in Polish) on June 22, 2011 at Guminski Institute for Theoretical Chemistry, Jagiellonian University, Cracow, Poland


Modelling properties of embedded molecules using methods based on Frozen-Density Embedding Theory

Theoretical Biophysics 2011 Conference (TheoBio11), June 8-12, 2011, Madeira, Portugal


Frozen-Density Embedding Theory and its relation to Orbital-Free DFT

"The orbital free alternative" CECAM Discussion Meeting, 30-31 May, 2011, Institut Henri Poincare, Paris, France


Series of lectures on Frozen-Density Embedding Theory and computational methods based on it

Theoretical Chemistry Department Of Chemistry H. C. Oersted Institute University of Copenhagen, May 13, 2011


Recent Developments in Frozen-Density Embedding Theory

Theoretical Tools for In Silico Spectroscopy" Action CM1003 Meeting, 13-15 April 2011, Paris, France



2010


Inhomogeneity of the kinetic energy density functional: Practical consequences in calculations using the orbital-free embedding potential

Symposium: "Orbital-Free Density Functional Theory and Its Applications to Large-Scale Materials Simulations" Dec. 18-20, Pacifichem 2010 Conference, Honolulu, USA


Non-Empirical QM/MM Methods for Numerical Simulations in Condensed Matter:"Rainbow Chasing", or a Realistic Objective?

Frontiers in the Simulation of Macromolecules, Nov. 12-14, University of Southern California, Los Angeles, USA


Orbital-free embedding theory and its applications in numerical simulations of the electronic structure in condensed phase

California Institute of Technology, Division of Chemistry and Chemical Engineering, Nov. 9, 2010, Pasadena, USA


Orbital-free embedding potential for multi-level numerical simulations: exact properties, approximants and applications

NAMET - New Approaches in Many-Electron Theory 20-24 September 2010 Mainz, Germany


Orbital-free embeding strategy for modelling electronic structure of molecules in condensed phase: exact theory and practical applications

2010 Fall Meeting of European Materials Science Society, Sept. 13-17, 2010, Warsaw, Poland


Non-empirical Treatment of Environment in Multi-level Numerical Simulations

XVth Quantum Systems in Chemistry and Physics Aug. 31-Sep. 5, 2010 in Cambridge, England.



2009


Exact description of the interface between the quantum and classical subsystems for multi-level numerical simulations

Winter School: "Multiscale Modeling and Simulation in Science", Nordic Institute for Theoretical Physics, Stockholm, Sweden, 2-28 November 2009


The orbital-free effective embedding potential: the basis for a familz of computational methods for modeling electronic structure in condensed phase

MIB IV Conference, Sept. 14 - 18th, Hruba Skala, Czech Republic


The use of the orbital-free effective embedding potential in modeling electronic excitations in condensed phase

Molecular Model(l)ing'09, Sept. 7th-11th, Erlangen, Germany


The orbital-free effective embedding potential: exact properties, approximations, and applications

DFT'09 Conference, Aug. 31 - Sept. 4th, Lyon, France


Multi-level computer simulations for condensed phase based on universal embedding potential: origin, state of the development, and perspectives.

Department of Chemistry, FUNDP, Namur, Belgium, 23-03-2009



2008


Embedding a quantum mechanical system in orbital-free environment: theory and computational practice

International School for Advanced Studies (SISSA), Trieste, 02-12-2008


Localized electronic excitations in condensed phase from orbital-free embedding calculations

Theory and Applications of Computational Chemistry 2008, 24-28 September, Shanghai, China


Embedding a quantum mechanical system in orbital-free environment: theory and computational practice

National Institute for Nanotechnologym, Edmonton, Canada, July 29, 2008


Orbital-free effective embedding potential: universality, exact properties, approximations, and numerical simulations

6th Congress of International Society for Theoretical Physical Chemistry, Vancouver, Canada, 19-24 July, 2008, Vancouver, Canada


Embedding a quantum chemical system in orbital-free environment: exact theory and approximants for practical simulations

13th International Workshop on Quantum Systems in Chemistry and Physics, July 6-12 Lansing, Michigan, USA


Embedding a quantum chemical system in orbital-free environment

XXXIV CONGRESSO DEI CHIMICI TEORICI DI ESPRESSIONE LATINA, Cetraro, Italy, July 4-8, 2008


Overview of computational approaches using one-electron equationsfor embedded orbitals and their applications for modelling condensed matter

Department of Chemistry and Department of Physics, University of Calabria, Rende, Italy, July 3, 2008


Embedding quantum chemical system in orbital-free environment: recent formal developments and applications in multi-level simulations

Modeling and Design of Molecular Materials 2008, Piechowice, Poland, June 23-28, 2008


One-electron equations for embedded orbitals: challenge for the theory and recent applications in computer modelling of complex materials

Laboratoire SPMS, CNRS UMR 8580, Ecole Centrale de Paris, France, May 14, 2008


Orbital-free effective embedding: basic ideas and applications in numerical simulations of complex materials

Laboratoire de Cristallographie et de Modélisation des Matériaux Minéraux et Biologiques, Henri Poincare University, Nancy, France Feb. 14, 2008


Orbital-free effective embedding potential: universality, exact properties, and applications

Departamento de Fisica de Materiales E-20018 Donostia-San Sebastian, Spain, Feb. 5, 2008



2007


Properties of the exact- and approximated orbital-free effective embedding potential

Vrije Universitait, Amsterdam, Theortical Chemistry Department, Amsterdam, The Netherlands, Nov. 21, 2007


Linearized orbital-free effective embedding potential

The deMon Developers 8th Annual Workshop, Paris, France, Aug. 30-Sept 2, 2007


To Freeze or Not to Freeze: playing with electron density

University of Southern California, Department of Chemistry, Los Angeles, USA, Aug. 13, 2007


Orbital-free embedding potential: properties, approximations, and the use in computer simulations to couple quantum chemical and classical levels of description

Classical and Quantum Approaches in Molecular Modeling, Institute for Mathematics and their Applications, University of Minnesota, Minneapolis, USA, July 23-August 3, 2007


Subsystem formulation of density functional theory: the formal basis for first-principles multi-level numerical simulations of condensed matter

The Third International Workshop on DFT Applied to Metals and Alloys, Incorporating The Materials Genome Project, Oran, Algeria, 2- 4 May 2007


Orbital-free embedding formulation of density functional theory and its use in numerical simulations of molecular clusters, biomolecules, liquids, and solids

ETHZ, Dept. Chemistry, Zurich, Switzerland, Apr. 19, 2007


Going beyond the Kohn-Sham formal framework to model electronic structure of very large systems

The final meeting of COST D26 Action, March. 29-31, 2007, Palermo, Italy




2006


Orbital-free embedding: new features of its numerical implementation

Meeting of four working groups of the COST D26 Action, Dec. 1-3, 2006, Paris (France)


Orbital-free embedding

IRRMA seminar, EPFL, Lausanne, Switzerland


Eliminating orbitals from quantum-mechanical description of many-electron systems: One step beyond Kohn-Sham

International Conference of Computational Methods in Sciences and Engineering 2006 (ICCMSE 2006), Chania (Crete, Greece), Oct. 27-Nov 1, 2006.


First-principles treatment of the interface between the orbital and orbital-free levels of description in multi-scale modelling

Modelling and Design of Molecular Materials 2006 (MDMM2006 Conference): Wroclaw, Poland, September 10-15, 2006


Non-empirical description of the effect of the environment on the electronic structure of embedded species in condensed phase

Quantum Systems in Chemistry and Physics (QSCP-11), August 20-25, 2006, St. Petersbourg (Russia)


Approximating the kinetic energy differences as explicit density functionals: challenge for theory and possible pay-offs in large-scale computer simulations

Sixth Canadian Computational Chemistry Conference (CCCC6)}, July 26-30, 2006, Vancouver, (Canada)


Density Functional Theory Beyond Kohn-Sham:ecent formal developments and applications of subsystem formulation of DFT

International Theoretical Chemistry Symposium 2006, University of Science and Technology Houari Boumediene, Algiers, June 12-15, 2006


Density Functional Theory with embedded orbitals: an alternative to Kohn-Sham DFT and the basis for multi-level simulations of condensed matter.

ICQC Satellite Symposium: Chemical Accuracy and Beyond - Electron Correlation, DFT, and Breakdown of Born-Oppenheimer Scheme, May 17 - 19, 2006, Tokyo (Japan)


Subsystem formulation of DFT - deMon2K perspective

The deMon Developers 7th Annual Workshop}, Apr. 21 - 25 Apr 2006 Kananaskis (Canada)


Orbital-Free embedding: Recent developments concerning methodology and applications

Working group meeting of the COST D26 Action, Jan. 13-15, 2006, Paris (France)



2005


Multi-level computer simulations of condensed matter based on subsystem formulation of density functional theory

International Conference of Computational Methods in Science and Engineering, Oct. 21-26, 2005 in Lutraki (Greece)


Electron density partitioning as a formal basis for multi-level modelling of materials

EUROMAT2005, Sept. 4-8, 2005 in Prag (Czech Republic)


First-principles based multi-level computer simulations studies of complex materials.

Modeling Interaction in Biomolecules, Sept. 5 - 9, 2005 in Prag (Czech Republic)


Overlap between electron densities in weak intermolecular complexes - does it matter?

"Van der Waals Forces and Density Functional Theory" CECAM workshop, Lyon, France, June 13-17, 2005.


Localized electronic states in condensed phase derived from electron density partitioning.

"EXC!TiNG Symposium on Excited-state properties of solids" Mannheim, Germany, May 16-19, 2005.


One-electron equations for embedded electron density: a challenge for theory and the formal basis for multi-scale computer simulations of complex molecular systems.

"Pomeranian Quantum Chemistry and Physics Workshop. Electronic Structure of Atoms and Molecules." Pobierowo, Poland, May 12-15, 2005.


Localized electronic states in condensed phase - a new type of applications of the universal orbital-free embedding potential

The deMon Developers 6th Annual Workshop, Dresden Technical University, Dresden (Germany), March 30th - April 3rd 2005



2004


Subsystem formulation of Density Functional Theory and its practical benefits in computer simulations of large chemical systems.

Department of Chemistry, University of Geneva, Geneva, Dec. 2, 2004.


Applications of the orbital-free embedding formalism to study interaction-induced changes in the electronic structure of molecules in condensed phase.

International Conference of Computational Methods in Sciences and Engineering 2004 (ICCMSE 2004), Athens (Greece), Nov. 19-23, 2004.


The kinetic energy as the functional of electron density-challenge for theory and practical benefits in computer modeling of soft condensed matter

Institute of Chemical Engineering and High Temperature Chemical Processes (ICE-HT), Patras (Greece), Nov. 16, 2004.


Density Functional Theory beyond Kohn-Sham: Applications to study electronic-structure related properties of atoms and molecules in condensed phase.

Fritz-Haber-Institut der Max-Planck Gesellschaft, Berlin, Oct. 7, 2004.


Investigating the effect of the environment on the electronic structure of molecules in condensed phase using non-empirical orbital-free embedding formalism.

Working group meeting of the COST D26 Action: Pau, Sept. 24-26, 2004.


Applications of the orbital-free embedding formalism in the interpretation of spectroscopic data for complex materials.

Joint US-Polish-Czech Workshop on "Modelling and Design of Molecular Materials", Sept. 16 - 20, 2004 in Wroclaw (Poland).


Density Functional Theory beyond Kohn-Sham: Recent theoretical developments and applications of the orbital-free embedding formalism.

Theoretical Chemistry Department, University of Calabria, Cosenza, July 15, 2004.


Minimizing the total energy bi-functional E[rho_A,rho_B]: recent computer implementation developments and applications

Working group meeting of the COST D26 Action: Paris, July 10-11, 2004.


Partitioning the electron density as a formal route towards linear-scaling

1st Scientific Computing Seminar Numerical Analysis in Quantum Chemistry, 28-30 June 2004, Kiel (Germany)


Recent applications of the formalism based on the total energy bi-functional E[rhoA,rhoB]

The deMon Developers 5th Annual Workshop Tropea, Italy, May 1-5, 2004


Unified formalism combining orbital-free embedding and linear response in DFT

Department of Theoretical Chemistry, Vrije Universitait Amsterdam, Netherlands, Feb. 25, 2004


Density Functional Theory with the total energy bi-functional E[rho_A,rho_B]: challenges, pitfalls, and pay-offs for computer simulations of complex materials.

Laboratoire de Chimie Théeorique, Université Pierre et Marie Curie, Paris, France, Jan. 13, 2004

The total energy bi-functional in Density Functional Theory: fundamental and practical aspects.

Workshop of the COST D26 action, Jan. 10, 2004, Paris, France



2003


The total energy bi-functional E[rho_A,rho_B] - A challenge for theory and a new route in modelling complex materials.

Departamento de Ciencias de la Terra y Fisica de la Meteria Condensada, Faculdad de Ciencias, University of Cantabria, Santender (Spain), Dec. 17, 2003


Electron density partitioning as a route towards accurate multi-scale modeling of complex molecular systems and materials

39th Theoretical Chemistry Symposium, Gwatt (Switzerland), September 28th - October 2, 2003


Electron density partitioning route in modeling large molecular systems at quantum mechanical level: recent theoretical developments and applications.

Modeling Interactions in Biomolecules, Nove Hrady (Czech Republic), September 15th - 20th, 2003


Variational calculations using the total energy bi-functional E[rho1,rho2]

10th International Conference on the Applications of Density Functional Theory in Chemistry and Physics, Brussels (Belgium), September 5-12, 2003


Application of the total energy bi-functional E[p1,p2] to study various properties of weakly bond intermolecular complexes.

DEMON4/DFT Meetings Workshop on Density Functional Theory, Present and Future Challenges and the deMon Developers 4th Annual Workshop, 22-26 April 2003, Stockholm, (Sweden)



2002


Properties of embedded molecules derived from the calculations using the kinetic-energy-dependent orbital-free effective embedding potential

WATOC 2002, Lugano, (Switzerland), Aug. 5-9, 2002


Orbital-free embedding, successes and challenges.

CECAM workshop: Computer modelling of atoms, molecules, and materials using approximate functionals of the kinetic energy , Lyon (France) July 31- Augist 2, 2002


The link between the kinetic and exchange functionals and its practical pay-offs in orbital-free embedding

CECAM workshop: Exchange-Correlation Energy Functionals: Assessment and Prospects, Lyon (France) June 10-14, 2002


Application of the first-principles based orbital-free embedding formalism to study embedded molecules

Third International Workshop of deMon developers (Thursday), 2-6 April, 2002, Geneva, (Switzerland)


Implementing the first-principles based orbital-free embedding formalism into deMon and deMon2002

Third International Workshop of deMon developers (Friday), 2-6 April, 2002, Geneva, (Switzerland)



2001


Theoretical studies of the properties of embedded molecules using the first-principles orbital-free embedding potential

Department of Physics, University of Rome "La Sapienza", 16 November 2001, Rome (Italy)


Weak intermolecular interactions in density-functional-theory: Performance of Generalized Gradient Approximation in conventional Kohn-Sham calculations and in the subsystem based approach.

Department of Physical Chemistry, University of Fribourg, (Switzerland), October, 29, 2001


Density Functional Theory beyond Kohn-Sham formalism: Application of an approximate kinetic energy functional in modeling of molecules and materials

User's Day of Swiss Center For Scientific Computations, Sept. 20-21, 2001, Manno, (Switzerland)


Coupling a quantum mechanical subsystem with its microscopic environment by means of explicit functionals of the electron density. Theory and Applications.

CECAM Workshop: "New Methods for Combining Born-Oppenheimer ab-initio calculations and empirical force fields in large scale simulation studies", 13-15 June, 2001, Lyon, (France)


Density Functional Theory beyond Kohn-Sham formalism: partitioning the electron density in real space.

"Second International deMon Developers Workshop", 16 March 12-16, 2001, Mexico City (Mexico)


Density Functional Theory beyond Kohn-Sham formalism: partitioning the electron density in real space.

Annual Assembly of the Association of Swiss Computational Chemists, March 2, 2001, Bern, (Switzerland)



2000


Theoretical studies of embedded molecules using a novel subsystem-based density functional approach: properties of molecules physisorbed on different surfaces.

UMR 5618 CNRS, Ecole de Chimie Montpelier, December 14, 2000, Montpellier, (France)


Theoretical studies of CO in ZSM5 zeolite. Application of a DFT method based on electron density partitioning.

Fall Meeting of the Swiss Chemical Society, October 12, 2000, Lausanne, (Switzerland)


Density Functional Theory with explicit functional of the kinetic energy: A subsystem based formalism, its computer implementation and applications

Theoretical Chemistry Department, Vrije Universitaet Amsterdam, September, 2000, Amsterdam, (Netherlands)

Partitioning the electron density in real space. Theory and Applications to Non-Covalently Bound Complexes. Part I. The CO molecule in ZSM5 Zeolite. Part II. Selected applications.

COST D9 Workshop, June 16, 2000, Fribourg, (Switzerland)


Partitioning the electron density in real space. Theory and Applications to Non-Covalently Bound Complexes.

DFT2000 Conference , 11-14 June 2000, Menton (France)


New Possibilities in Density Functional Theory: partitioning the electron density in real space. Theory and Applications.

Invited talk of short-listed candidates for the Maitre d'Enseignement et de Recherche (Assistant Professor) position at the Department of Physical Chemistry of the University of Geneva, May 25, 2000, Geneva, (Switzerland)

New Possibilities in Density Functional Theory: partitioning the electron density in real space. Theory and Applications (in French)

ACFAS annual meeting May 19, 2000, Montreal, (Canada)


New Possibilities in Density Functional Theory: partitioning the electron density in real space. Theory and Applications.

Institute of Catalysis, University Claude Bernard Lyon (in French), May 3, 2000, Lyon, (France)



1999


One-Electron Effective Potential for Embedded Electron Density: A computational Scheme Using Explicit Approximate Functionals of the Kinetic Energy

DFT99 Conference, Rome , (Italy), Sept. 6-10, 1999


One-electron Effective Potential for Embedded Electron Density: Applications of a novel density functional computational scheme to study weakly bound molecular complexes.

C4 seminar at the ETH Zurich Zurich (Switzerland), June 10, 1999



1998


Effective Potential for Embedded Electron Density: How Far We Can Go with Explicit Functionals of Kinetic Energy?

DFT Descriptors of Chemical Reactivity, Cracow, (Poland), Dec. 3-5, 1998


A Density Functional Theory Based Scheme for Studying Properties of Small Mulecules Embedded in Larger System.

34th Symposium for Theoretical Chemistry, Gwatt, (Switzerland), Sept. 20-24, 1998



1997


DFT based embedding scheme using approximate functionals of the kinetic energy. Applications to weak complexes and physisorption phenomena.

Quantum Chemistry in Materials Science: A Symposium dedicated to Dr. Paul S. Bagus on the ocassion of his 60th birthday, Groningen, (Netherlands), Nov. 21-23, 1997



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