{"id":11471,"date":"2020-02-22T12:00:00","date_gmt":"2020-02-22T11:00:00","guid":{"rendered":"http:\/\/www.ehu.eus\/chemistry\/theory\/?p=11471"},"modified":"2026-03-06T11:54:31","modified_gmt":"2026-03-06T10:54:31","slug":"congresses-scientific-meetings-piris","status":"publish","type":"post","link":"https:\/\/www.ehu.eus\/chemistry\/theory\/5_kt-seminars\/congresses-scientific-meetings-piris\/","title":{"rendered":"Congresses &#038; Scientific Meetings\ufeff (M. Piris)"},"content":{"rendered":"<p><strong>2026<\/strong><\/p>\n<ul>\n<li>\n<em>DoNOF 2.0: New Horizons for Natural Orbital Functional Theory.<\/em> <a href=\"https:\/\/sanibelsymposium.qtp.ufl.edu\/\"> 65th Sanibel Symposium<\/a>, Embassy Suites by Hilton hotel, St Augustine Beach, Florida, USA<\/li>\n<\/ul>\n<p><strong>2025<\/strong><\/p>\n<ul>\n<li>\n<em>Pushing the boundaries of Natural Orbital Functional Theory.<\/em> <a href=\"https:\/\/www.schloss-ringberg.de\/start\">Quo Vadis Electronic Structure Theory (QVEST-25)<\/a>, Max Planck Society&#8217;s Ringberg castle, Tegernsee, Bavarian Alps, Germany (Invited Talk)<\/li>\n<li>\n<em>Pushing the boundaries of Natural Orbital Functional Theory.<\/em> <a href=\"https:\/\/www.eucompchem2025.unina.it\/\">European Conference in Computational &#038; Theoretical Chemistry (EuChemS CompChem 2025)<\/a>, Conference Center \u2013 University of Naples Federico II<br \/>\nComplesso Universitario di Monte Sant\u2019Angelo, Naples, Italy (Talk)<\/li>\n<li>\n<em>Advancing NOF Theory: Strong Correlation, Dynamics, Excited States and Quantum Computing.<\/em> <a href=\"https:\/\/sites.google.com\/view\/psik2025\/home?authuser=0\">Psi-K Conference (Psi-K 2025)<\/a>, SwissTech Convention Center, EPFL, Lausanne, Switzerland (Talk)<\/li>\n<li>\n<em>Expanding the Frontiers of Natural Orbital Functional Theory.<\/em> <a href=\"https:\/\/www.watoc2025.no\/speakers\/\">13th Triennial Congress of the World Association of Theoretical and Computational Chemists (WATOC 2025)<\/a>, Oslo Kongressenter, Oslo, Norway (Invited Talk)<\/li>\n<li>\n<em>Expanding the Frontiers of NOFs: Large Strongly Correlated Systems, Direct-Dynamics Simulations, and Quantum Computing.<\/em> <a href=\"https:\/\/sanibelsymposium.qtp.ufl.edu\/\">64th Sanibel Symposium<\/a>, Embassy Suites by Hilton hotel,St Augustine Beach, Florida, USA (Invited Talk)<\/li>\n<\/ul>\n<p><strong>2024<\/strong><\/p>\n<ul>\n<li>\n<em>Cutting-Edge Developments in Natural Orbital Functional Theory: Probing Molecular Dynamics and Beyond.  <\/em> <a href=\"https:\/\/www.photodynamics2024.com\/\">XII International Meeting on Photodynamics and related aspects (Photodynamics XII)<\/a>, MR Hotel, Santiago, Chile (Invited Talk)<\/li>\n<li>\n<em>Recent Advances in Natural Orbital Functional Theory: Insights into Molecular Dynamics and Beyond.<\/em><br \/>\n<a href=\"https:\/\/www.mes2024.it\/\">Molecular Electronic Structure 2024 (MES 2024)<\/a>, Villa Maria Hotel Spa, Pescara, Italia (Invited Talk)<\/li>\n<li>\n<em>Progress in Natural Orbital Functional Theory: Uncovering AIMD based on Global NOF.<\/em><a href=\"https:\/\/conferences.au.dk\/molec2024\">24th European Conference on Dynamics of Molecular Systems (MOLEC 2024)<\/a>, Navitas, Aarhus, Denmark (Talk)<\/li>\n<li>\n<em>Advancements in Natural Orbital Functional Theory: Unraveling Molecular Dynamics and Excited States.<\/em><br \/>\n<a href=\"https:\/\/congressos.urv.cat\/espa-2024\"> Electronic Structure Principles and Applications (ESPA 2024) <\/a>, Palau de Congressos, Tarragona, Spain (Talk)<\/li>\n<\/ul>\n<p><strong>2023<\/strong><\/p>\n<ul>\n<li>\n<em>Time evolution of natural orbitals in ab initio molecular dynamics<\/em><br \/>\n<a href=\"https:\/\/quitel23.site\/\"> XLVI International Congress of Theoretical Chemists of Latin Expression (QUITEL 2023)<\/a>, Universidad de la Rep\u00fablica, Montevideo, Uruguay (Invited Talk)<\/li>\n<li>\n<em>Time evolution of natural orbitals in ab initio molecular dynamics<\/em><br \/>\n<a href=\"https:\/\/indico.cern.ch\/event\/1209546\/contributions\/5507931\/\"> XVII Iberian Joint Meeting on Atomic and Molecular Physics (IBER 2023)<\/a>, Physics Department of The Faculty of Science and Technology of the University of Coimbra, Coimbra, Portugal (Talk)<\/li>\n<li>\n<em>Time evolution of natural orbitals in ab initio molecular dynamics<\/em><br \/>\n<a href=\"https:\/\/euchems-compchem.eu\/program\/\">European Conference on Computational &amp; Theoretical Chemistry (EuChemS CompChem 2023)<\/a>, Olympic Museum of Thessaloniki, Thessaloniki, Greece (Invited Talk)<\/li>\n<li>\n<em>GNOF: Balanced treatment of electron correlation<\/em><br \/>\n<a href=\"https:\/\/www.qif2023.p.lodz.pl\/speakers\/\">3rd QUANTUM INTERNATIONAL FRONTIERS 2023 (QIF3)<\/a>, Lodz University of Technology, Lodz, Poland (Invited Talk)<\/li>\n<\/ul>\n<p><strong>2022<\/strong><\/p>\n<ul>\n<li>\n<em>Born-Oppenheimer molecular dynamics in NOF theory<\/em><br \/>\n<a href=\"https:\/\/photodynamics.instec.cu\/pages\/home.php\">Eleventh International Meeting on Photodynamics and Related Aspects (XI Photodynamics)<\/a>, University of Havana, La Habana, Cuba (Invited Talk)<\/li>\n<li>\n<em>Global Natural Orbital Functional<\/em><br \/>\n<a href=\"https:\/\/indico.ectstar.eu\/event\/153\/\">Reduced Density Matrix Functional Theory: Improving its foundations (RDMFT2022)<\/a>, European Centre for Theoretical Studies in Nuclear Physics and related areas (ECT*), Trento, Italy (Invited Talk)<\/li>\n<li>\n<em>Benchmarking GNOF against FCI  in challenging systems<\/em><br \/>\n<a href=\"https:\/\/mes2022.sciencesconf.org\/resource\/page\/id\/7\">6th International Conference on Molecular Electronic Structure (MES2022)<\/a>, Institut Sup\u00e9rieur d&#8217;informatique et de Math\u00e9matiques de Monastir &#8211; University of Monastir, Tunisia (Invited Talk)<\/li>\n<li>\n<em>Global Natural Orbital Functional: Towards the complete description of the electron correlation<\/em><br \/>\n<a href=\"https:\/\/www.cheminst.ca\/conference\/watoc-2020\/\">12th Triennial Congress of the World Association of Theoretical and Computational Chemists (WATOC)<\/a>, Vancouver Convention Centre &#8211; Vancouver, Canada (Invited Talk)<\/li>\n<li>\n<em> RDM2022 <\/em><br \/>\n<a href=\"http:\/\/rdm2022.dipc.org\/\"> International Conference on Reduced Density Matrix Theory for Quantum Many-Fermion Systems<\/a>, Palacio Miramar, Donostia &#8211; San Sebasti\u00e1n, Euskadi, Spain (Organizer &amp; Host)<\/li>\n<\/ul>\n<p><strong>2021<\/strong><\/p>\n<ul>\n<li>\n<em> From 1RDMFT to NOF Approximations <\/em><br \/>\n<a href=\"https:\/\/www.mcqst.de\/news-and-events\/symcorrel21\/\"> International Symposium on Correlated Electrons (SymCorrel21)<\/a>, Munich Center for Quantum Science and Technology (MCQST) (Invited talk)<\/li>\n<\/ul>\n<p><strong>2019<\/strong><\/p>\n<ul>\n<li>\n<em> Natural Orbital Functional for Multiplets <\/em><br \/>\n<a href=\"https:\/\/apatcc2019.com\/\"> Ninth Conference of Asia-Pacific Association of Theoretical and Computational Chemists (APATCC-9)<\/a>, Sydney, Australia (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li>\n<em> Natural Orbital Functional for Multiplets <\/em><br \/>\n<a href=\"https:\/\/sites.google.com\/view\/qscp-2019\"> 24th International Workshop on Quantum Systems in Chemistry, Physics and Biology (QSCP-XXIV)<\/a>, Odessa, Ukraine (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li>\n<em> Natural Orbital Functional for Multiplets <\/em><br \/>\n<a href=\"http:\/\/qf3_electron_density.webs.uvigo.es\/NEWS.html\"> 2nd International Vigo Meeting on Advanced Computational Chemistry (2nd IViMACC)<\/a>, University of Vigo, Vigo, Spain (Invited talk)<\/li>\n<\/ul>\n<p><strong>2018<\/strong><\/p>\n<ul>\n<li>\n<em> Recent Advances in Natural Orbital Functional Theory <\/em><br \/>\n<a href=\"https:\/\/sites.google.com\/view\/qscp-2018\/home\"> 23rd International Workshop on Quantum Systems in Chemistry, Physics and Biology (QSCP-XXIII)<\/a>, University of Venda, Kruger National Park, South Africa (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li>\n<em> Global method for electron correlation based on the NOF theory <\/em><br \/>\n<a href=\"https:\/\/www.espa2018.com\/index.php\"> 11th Congress on Electronic Structure Principles and Applications (ESPA 2018)<\/a>, Universidad de Castilla y la Mancha, Toledo, Spain (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li>\n<em> NOF-MP2: Global method for electron correlation <\/em><br \/>\n<a href=\"https:\/\/www.acs.org\/content\/acs\/en\/meetings\/national-meeting.html?sc=home_meetings_170818_mtg_NO18_od\"> 255th American Chemical Society National Meeting<\/a>, New Orleans, LA, USA (Invited talk)<\/li>\n<\/ul>\n<p><strong>2017<\/strong><\/p>\n<ul>\n<li><em> Natural Orbital Functional Theory <\/em><br \/>\n<a href=\"http:\/\/qf3_electron_density.webs.uvigo.es\/MEETING.html\"> 1st International Vigo Meeting on Advanced Computational Chemistry (IViMACC)<\/a>, Vigo, Spain (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li><em> NOF-MP2: A global method for the electron correlation <\/em><br \/>\n<a href=\"https:\/\/www.escmqc2017.org\/\"> 17th European Seminar on Computational Methods in Quantum Chemistry (ESCMQC 2017)<\/a>, Shropshire, United Kingdom (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li><em> NOF-MP2: A global method for the electron correlation <\/em><br \/>\n<a href=\"http:\/\/www.watoc2017.com\/\"> 11th Triennal Congress of the World Association of Theoretical and Computational Chemists (WATOC 2017)<\/a>, Munich, Germany (Talk)<\/li>\n<\/ul>\n<ul>\n<li><em> NOF-MP2: A global method for the electron correlation <\/em><br \/>\n<a href=\"https:\/\/www.cecam.org\/workshop-0-1448.html\"> International Workshop on &#8216;New challenges in Reduced Density Matrix Functional Theory: Symmetries, time-evolution and entanglement&#8217;<\/a>, Lausanne, Switzerland (Invited talk)<\/li>\n<\/ul>\n<p><strong>2016<\/strong><\/p>\n<ul>\n<li><em> NOF Theory: an alternative to DFT <\/em><br \/>\n<a href=\"http:\/\/www.ism.u-bordeaux1.fr\/spip.php?auteur87&amp;lang=fr\"> Transborder Theoretical Chemistry Days<\/a>, Baiona, France (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li><em> The role of the inter-pair electron correlation in Natural Orbital Functional Theory <\/em><br \/>\n<a href=\"http:\/\/www-conference.slu.se\/mqm2016\/programme.html\"> 8th Molecular Quantum Mechanics<\/a>, Uppsala, Sweden (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li><em> The role of inter-pair electron correlation in NOF Theory <\/em><br \/>\n<a href=\"http:\/\/photodynamics9.wix.com\/phd9#!program2\/c6g1\"> 9th International Meeting on Photodynamics and related aspects<\/a>, Mendoza, Argentina (Invited talk)<\/li>\n<\/ul>\n<ul>\n<li><em> Natural Orbital Functional Theory: an alternative to DFT <\/em><br \/>\n<a href=\"http:\/\/www.aics.riken.jp\/labs\/cms\/workshop\/201602\/index.html\"> Kobe workshop for material design on strongly correlated electrons in molecules and materials<\/a>, Kobe, Japan (Invited talk)<\/li>\n<\/ul>\n<p><strong>2015<\/strong><\/p>\n<ul>\n<li><em><a href=\"http:\/\/dx.doi.org\/10.13140\/RG.2.1.4577.9285\"> Performance of the NOF theory in the description of the four-electron harmonium atom in the singlet state<\/a><\/em>,<a href=\"http:\/\/sciforum.net\/conference\/MOL2NET-1\/MOL2NET-a\"> MOL2NET, International Conference on Multidisciplinary Sciences, MDPI Sciforum, HQ UPV\/EHU, Bizkaia, Spain <\/a><\/li>\n<li><em>Towards an N-representable 1-RDM theory <\/em><br \/>\n<a href=\"http:\/\/nano-bio.ehu.es\/psik2015\/index.html\"> PSI-K 2015 Conference (Psi-K 2015)<\/a>, San Sebastian, Spain (Talk)<\/li>\n<li><em>Towards an N-representable NOF theory <\/em><br \/>\n<a href=\"http:\/\/itcc.nju.edu.cn\/RAEST2015\/\">Recent Advances in Electronic Structure Theory (RAEST 2015)<\/a>, Nanjing, China (Invited talk)<\/li>\n<li><em> Towards an N-representable Natural Orbital Functional Theory <\/em><br \/>\n<a href=\"http:\/\/www.icqc2015.org\/dct\/page\/1\">The 15th International Congress of Quantum Chemistry (ICQC 15)<\/a>, Beijing, China (Poster)<\/li>\n<li><em> Towards an N-representable 1-RDM theory <\/em><br \/>\n<a href=\"http:\/\/www.scq.uh.cu\/seadim\/espanol.html\">10th Seminars of Advanced Studies on Molecular Design and Bioinformatics (SEADIM 10)<\/a>, Varadero, Cuba (Invited talk)<\/li>\n<\/ul>\n<p><strong>2014<\/strong><\/p>\n<ul>\n<li><em> NOF theory as an alternative to DFT <\/em><br \/>\n<a href=\"http:\/\/wiki.lct.jussieu.fr\/workshop\/index.php\/Nha_Trang_Workshop_2014\">Current Topics in Theoretical Chemistry<\/a>, Nha Trang, Vietnam (Invited talk)<\/li>\n<li><em> PNOF6: A model of interacting pairs in NOF theory<\/em><br \/>\n<a href=\"http:\/\/www.watoc2014.com\">New Approaches in Theoretical Chemistry<\/a>, Santiago, Chile (Invited talk)<\/li>\n<li><em> Interacting pairs in natural orbital functional theory <\/em><br \/>\n<a href=\"http:\/\/www.watoc2014.com\">10th Congress of the World Association of Theoretical and Computational Chemists (WATOC 2014)<\/a>, Santiago, Chile (Invited talk)<\/li>\n<li><em> N-representable 1-RDM Theory <\/em><br \/>\n<a href=\"http:\/\/www.usfq.edu.ec\/eventos\/quitel2014\/Paginas\/default.aspx\"> XL Congreso de Qu\u00edmicos Te\u00f3ricos de Expresi\u00f3n Latina (QUITEL 2014)<\/a>, Isla San Cristobal, Ecuador (Invited talk, Plenary)<\/li>\n<\/ul>\n<p><strong>2013<\/strong><\/p>\n<ul>\n<li><em>The intra-pair and inter-pair electron correlation in Natural Orbital Functional Theory<\/em><br \/>\n<a href=\"http:\/\/www.clas.ufl.edu\/users\/harrisfe\/March_test\/march.index.htm\">Symposium in honor of Norman H. March<\/a>, Namur, Belgium (Invited talk)<\/li>\n<li><em>Second-order perturbative corrections in Natural Orbital Functional Theory<\/em><br \/>\n<a href=\"http:\/\/www.fcqal2013.net\/\">F\u00edsico-Qu\u00edmica en Am\u00e9rica Latina (FQAL)<\/a>, Foz de Iguazu, Brasil (Invited talk)<\/li>\n<li><em>PNOF5-PT2: A useful method for dealing with strongly correlated systems<\/em><br \/>\n<a href=\"http:\/\/coulson.chem.elte.hu\/istcp8\/\">The VIIIth Congress of the International Society of Theoretical Chemical Physics (ISTCP 8)<\/a>, Budapest, Hungary (Talk)<\/li>\n<li><em>New Advances in Natural Orbital Functional Theory: PNOF5-PT2<\/em><br \/>\n<a href=\"http:\/\/habana.qfa.uam.es\/seadim9\/\">9th Seminars of Advanced Studies on Molecular Design and Bioinformatics: Energy (SEADIM9)<\/a>, Varadero, Cuba (Invited talk)<\/li>\n<li><em>Recent Developments in Natural Orbital Functional Theory: PNOF5-PT2<\/em><br \/>\n<a href=\"http:\/\/www.mqm2013.ethz.ch\/\">7th Molecular Quantum Mechanics<\/a>, Lugano, Switzerland (Poster)<\/li>\n<\/ul>\n<p><strong>2012<\/strong><\/p>\n<ul>\n<li><em>Recent Developments in the Density Matrix Functional Theory<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J. M. Matxain, E. Matito, F. Ruip\u00e9rez, X. Lopez, J. M. Ugalde<br \/>\n<a href=\"http:\/\/dinamica.vitis.uspnet.usp.br\/\">7th International Meeting on Photodynamics<\/a>, Maresias, Sao Paulo, Brazil (Invited talk)<\/li>\n<li><em>Density Matrix Functional Theory of the Molecular Electronic Structure<\/em><br \/>\nM. Piris, J. M. Matxain, F. Ruip\u00e9rez, X. Lopez, <span style=\"text-decoration: underline;\">J. M. Ugalde<\/span><br \/>\n<a href=\"http:\/\/www.tacc2012.org\/\">Theory and Applications of Computational Chemistry (TACC 2012)<\/a>, University of Pavia, Italy (Invited talk)<\/li>\n<li><em>Designed porous solids based on endohedrally doped CdS nanoclusters<\/em><br \/>\n<span style=\"text-decoration: underline;\">E. Jimenez-Izal<\/span>, J.M. Matxain, M. Piris, J. M. Ugalde<br \/>\n<a href=\"http:\/\/www.cecam.org\/workshop-673.html\">Modelling realistic inorganic nanostructures: bridging the gap between theory and experiment<\/a>, University of Zaragoza, Spain (Invited talk)<\/li>\n<li><em>The Molecular Orbitals in Natural Orbital Functional Theory<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J.M. Matxain, X. Lopez, F. Ruip\u00e9rez, J. Uranga, G. Merino, J. M. Mercero, E. Matito, J. M. Ugalde<br \/>\n<a href=\"http:\/\/wiki.lct.jussieu.fr\/workshop\/index.php\/Workshop_on_ab_initio_Valence_Bond_theory_(VB)\">Workshop on ab initio Valence Bond Theory<\/a>, Paris, France (Invited talk)<\/li>\n<li><em>The Molecular Orbitals in Density Matrix Functional Theory<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J.M. Matxain, X. Lopez, F. Ruip\u00e9rez, J. Uranga, G. Merino, J. M. Mercero, E. Matito, J. M. Ugalde<br \/>\n<a href=\"http:\/\/r1.ufrrj.br\/tcheminrio\/\">Theoretical Chemistry in Rio<\/a>, Rio de Janeiro, Brazil (Invited talk)<\/li>\n<li><em>The Piris Natural Orbital Functional (PNOF): towards biological applications.<br \/>\n<\/em><span style=\"text-decoration: underline;\">E. Matito<\/span>, M. Piris, J.M. Matxain, X. Lopez, J. M. Ugalde<br \/>\n<a href=\"http:\/\/xgironaseminar.wordpress.com\/\">X Girona Seminar on Theoretical and Computational Chemistry for the Modeling of Biochemical Systems: From Theory to Applications<\/a>, Girona, Spain (talk)<\/li>\n<li><em>Can NOFT bridge the gap between DFT and WFT?<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J.M. Matxain, F. Ruip\u00e9rez, X. Lopez, E. Matito, J. M. Ugalde<br \/>\n<a href=\"http:\/\/wiki.lct.jussieu.fr\/workshop\/index.php\/Kathmandu_Workshop_2012\">Kathmandu Workshop on Theoretical Chemistry<\/a>, Kathmandu, Nepal (Invited talk)<\/li>\n<li><em>Density Matrix Functional Theory of the Molecular Electronic Structure<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J.M. Matxain, F. Ruip\u00e9rez, X. Lopez, J. M. Ugalde<br \/>\n<a href=\"http:\/\/www.dftm2012.be\/\">Symposium Challenges in Density Matrix and Density Functional Theory<\/a>, Ghent, Belgium (Invited talk)<\/li>\n<li><em>NOF theory approach to strong electron correlation in chemistry<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J.M. Matxain, F. Ruip\u00e9rez, X. Lopez, J. M. Ugalde<br \/>\n<a href=\"http:\/\/www.qtp.ufl.edu\/~sanibel\/\">The 52nd Sanibel Symposium<\/a>, St. Simons Island, Georgia, USA (Invited talk)<\/li>\n<\/ul>\n<p><strong>2011<\/strong><\/p>\n<ul>\n<li><em> Chemical accuracy in NOF theory<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J.M. Matxain, F. Ruip\u00e9rez, X. Lopez, J. M. Ugalde<br \/>\nXXXVII Congreso de Qu\u00edmicos Te\u00f3ricos de Expresi\u00f3n Latina (QUITEL), Riviera Maya, Mexico (Invited talk)<\/li>\n<li><em>Towards chemical accuracy in natural orbital functional theory<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, X. Lopez, J.M. Matxain, F. Ruip\u00e9rez, J. M. Ugalde<br \/>\n14th Intern. Conf. on the Applic. of Density Functional Theory in Chemistry and Physics (DFT 2011), Athens, Greece (Talk)<\/li>\n<li><em>Natural Orbital Functional Theory and Implementation<\/em><br \/>\nM. Piris, X. Lopez, J.M. Matxain, F. Ruip\u00e9rez, <span style=\"text-decoration: underline;\">J. M. Ugalde<\/span><br \/>\nNinth Triennial Congress of the WORLD ASSOCIATION OF THEORETICAL AND COMPUTATIONAL CHEMISTS (WATOC), Santiago de Compostela, Spain (Invited talk)<\/li>\n<li><em>Theoretical Foundations of PNOF<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, X. Lopez, J. M. Matxain, F. Ruip\u00e9rez, J. M. Ugalde<br \/>\nNinth Triennial Congress of the WORLD ASSOCIATION OF THEORETICAL AND COMPUTATIONAL CHEMISTS (WATOC), Santiago de Compostela, Spain (Poster)<\/li>\n<li><em>From the IBCS method to the NOF theory<\/em>.<br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, X. Lopez, J. M. Matxain, F. Ruip\u00e9rez, J. M. Ugalde<br \/>\n8th Seminars of Advanced Studies on Molecular Design and Bioinformatics: Light and Molecules (SEADIM 8), Universidad de la Habana, Cuba (Invited talk)<\/li>\n<li><em>Application of Natural Orbital Functional Theory to the description of Reactive Oxygen Species<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J. M. Matxain, F. Ruip\u00e9rez, X. Lopez and J. M. Ugalde<br \/>\n5th Symposium on Theoretical Biophysics (THEOBIO), Madeira, Portugal (Poster)<\/li>\n<\/ul>\n<p><strong>2010<\/strong><\/p>\n<ul>\n<li><em><em><em>Accurate description of atoms and molecules by NOF theory<\/em><\/em><br \/>\n<\/em> <span style=\"text-decoration: underline;\">M. Piris<\/span>, J. M. Matxain, X. Lopez and J. M. Ugalde<em><br \/>\n<\/em>6th International Meeting on Photodynamics, La Habana, Cuba (Poster)<\/li>\n<li><em>New advances in NOF theory: paving the way towards chemical accuracy.<\/em><br \/>\n<span style=\"text-decoration: underline;\">M. Piris<\/span>, J.M. Matxain, X. Lopez, J. M. Ugalde<br \/>\nIX Girona Seminars 2010, Girona, Spain (Invited talk)<\/li>\n<\/ul>\n<p><strong>2009<\/strong><\/p>\n<ul>\n<li><em><em><em>Description of biological important systems by the PNOF1<\/em><\/em><br \/>\n<\/em> <span style=\"text-decoration: underline;\">M. Piris<\/span>, J. M. Matxain, X. Lopez and J. M. Ugalde<em><br \/>\n<\/em>4th Symposium on Theoretical Biophysics (THEOBIO), Roscoff, France (Poster)<\/li>\n<li><em><em><em>Iterative diagonalization for orbital optimization in NOF theory<\/em><\/em><br \/>\n<\/em> <span style=\"text-decoration: underline;\">M. Piris<\/span>&nbsp; and J. M. Ugalde<em><br \/>\n<\/em>Applications of Density Functional Theory (DFT09), Lyon, France (Poster)<\/li>\n<li><em><em><em>Iterative diagonalization for orbital optimization in natural orbital functional theory<\/em><\/em><br \/>\n<\/em> <span style=\"text-decoration: underline;\">M. Piris<\/span>&nbsp; and J. M. Ugalde<em><br \/>\n<\/em>International Conference of Computational Methods in Sciences and Engineering (ICCMSE09), Rhodes, Greece (Poster)<\/li>\n<\/ul>\n<p><strong>2008<\/strong><\/p>\n<ul>\n<li><em><em><em>TFON: Una alternativa viable en la qu\u00edmica computacional<\/em><\/em><br \/>\n<\/em> M. Piris<em><br \/>\n<\/em>XXXIV&nbsp;Congresso dei Chimici Teorici di Espressione Latina (CHITEL08), Cetraro, Italy (Invited talk)<\/li>\n<li><em><em><em><em>NOF: Making its way towards a reliable computational method<\/em><br \/>\n<\/em><\/em><\/em>M. Piris<br \/>\nVIII Girona Seminars 2008, Girona, Spain (Invited talk)<\/li>\n<li><em><em><em>PNOF dissociation study of the radical helium dimer<\/em><\/em><br \/>\n<\/em> <span style=\"text-decoration: underline;\">M. Piris<\/span>, J. M. Matxain&nbsp; and J. M. Ugalde<em><br \/>\n<\/em>6th Congress on Electronic Structure: Principles and Applications (ESPA08), Palma de Mallorca, Spain (Poster)<\/li>\n<li><em><em>Avances recientes <\/em>en la Teor\u00eda del Funcional de Orbitales Naturales<br \/>\n<\/em>M. Piris<br \/>\n19 Conferencia de Quimica, Santiago de Cuba, Cuba (Invited talk)<\/li>\n<\/ul>\n<p><strong>2007<\/strong><\/p>\n<ul>\n<li><em><em><em>van der Waals interactions within the NOFT<\/em><\/em><br \/>\n<\/em> <span style=\"text-decoration: underline;\">M. Piris<\/span>, X. Lopez, J. M. Ugalde<em><br \/>\n<\/em>Theoretical Biophysics Symposium (THEBIO07), Cetraro, Italy (Poster)<\/li>\n<li><em><em><em>New solids based on B12N12 fullerenes<br \/>\n<\/em><\/em><\/em><span style=\"text-decoration: underline;\">J. M. Matxain<\/span>, J. M. Mercero, X. Lopez, M. Piris, J. M. Ugalde, L. A. Eriksson, J. Poater, E. Matito, M. Sola<br \/>\nTrends in Nanotechnology (TNT2007), San Sebastian, Spain (Poster)<\/li>\n<li><em>The helium dimer within the NOFT<br \/>\n<\/em> <span style=\"text-decoration: underline;\">M. Piris<\/span>, J. M. Matxain&nbsp; and J. M. Ugalde<em><br \/>\n<\/em>Applications of Density Functional Theory (DFT07), Amsterdam, The Netherlands (Poster)<\/li>\n<li><em><em>Interacciones de dispersi\u00f3n en la teor\u00eda del funcional de orbitales naturales<\/em><br \/>\n<\/em><span style=\"text-decoration: underline;\">M. Piris<\/span>, X. Lopez, J. M. Ugalde<br \/>\nXXXIII Congreso de Qu\u00edmicos Teoricos de Expresion Latina (QUITEL07), La Habana, Cuba (Invited talk)<\/li>\n<\/ul>\n<p><strong>2006<\/strong><\/p>\n<ul>\n<li><em><em><em>Funcional de Orbitales Naturales<\/em><\/em><br \/>\n<\/em> M. Piris <em><br \/>\n<\/em>Seminario de estudios avanzados sobre dise\u00f1o molecular y bioinformatica (SEADIMB VI), La Habana, Cuba (Invited Talk)<\/li>\n<li><em><em><em>Multidecker sandwich-like complexes of the aromatic square Al4_2- with gold<br \/>\n<\/em><\/em><\/em><span style=\"text-decoration: underline;\">M. Piris<\/span>, J. M. Mercero, D. Sanchez-Portal, J. M. Ugalde<br \/>\n3rd NanoSpain Workshop, Pamplona, Spain (Poster)<\/li>\n<li><em>NOF Theory based on a new approach for the two-electron cumulant<br \/>\n<\/em> <span style=\"text-decoration: underline;\">M. Piris<\/span>, X. Lopez and J. M. Ugalde<em><br \/>\n<\/em>Electronic Structure: Principles and Applications (ESPA06), Santiago de Compostela, Spain (Poster)<\/li>\n<li><em>Dispersion interactions within NOFT<br \/>\n<\/em>M. Piris<br \/>\nDonostia Quantum Chemistry Symposium (DQCS06), San Sebastian, Spain (Invited talk)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>2026 DoNOF 2.0: New Horizons for Natural Orbital Functional Theory. 65th Sanibel Symposium, Embassy Suites by Hilton hotel, St Augustine Beach, Florida, USA 2025 Pushing the boundaries of Natural Orbital Functional Theory. Quo Vadis Electronic Structure Theory (QVEST-25), Max Planck Society&#8217;s Ringberg castle, Tegernsee, Bavarian Alps, Germany (Invited Talk) Pushing the boundaries of Natural Orbital [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[78],"tags":[],"class_list":["post-11471","post","type-post","status-publish","format-standard","hentry","category-5_kt-seminars"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/posts\/11471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/comments?post=11471"}],"version-history":[{"count":67,"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/posts\/11471\/revisions"}],"predecessor-version":[{"id":22053,"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/posts\/11471\/revisions\/22053"}],"wp:attachment":[{"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/media?parent=11471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/categories?post=11471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ehu.eus\/chemistry\/theory\/wp-json\/wp\/v2\/tags?post=11471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}