==== Selected talks on MC's ==== || '''N''' || '''Date''' || '''Title''' || '''Author''' || '''Event''' || '''Comments''' || || 115 || June 2013 || [attachment:13_06_10_tutomg_tasi.pdf Madgraph5 Tutorial] [attachment:13_06_13_tutomg_tasi2.pdf​ Madgraph5 Tutorial (part II)] || Olivier Mattelaer || TASI || 2h || || 114 || June 2013 || [attachment:13_05_28_MW5_LLN.pdf​ MW5 and ISR correction] || Olivier Mattelaer || first MEM workshop || 30 min || || 113 || May 2013 || [attachment:13_05_20_china_seminar.pdf​ a program for matrix element] || Olivier Mattelaer || invited seminar ITP (Beiing) || 30 min || || 112 || May 2013 || [attachment:13_05_13_aMCATNLO_LOOPFEST.pdf​ aMC@NLO] || Olivier Mattelaer || LOOPFEST || 30 min || || 111 || 18 May 2013 || [http://indico.ihep.ac.cn/materialDisplay.py?contribId=23&sessionId=5&materialId=slides&confId=2813: MadAnalysis 5, a framework dedicated to phenomenological investigations at LHC] || Eric Conte || ACAT 2013 (Beijing, China) || 25 mins || || 110 || 19 April 2013 || [https://madanalysis.irmp.ucl.ac.be/attachment/wiki/Talks/mc4bsm.pdf From Theory to Phenomenology with FeynRules and MadAnalysis 5] || Benjamin Fuks || MC4BSM 2013, Hamburg, Germany || 30 mins || || 109 || 03 April 2013 || [https://madanalysis.irmp.ucl.ac.be/attachment/wiki/Talks/lhcf13.pdf Tools for searches at the LHC] || Benjamin Fuks || LHC France 2013, Annecy, France || 30 mins || || 108 || February 2013 || [attachment:13_02_16_tutomg.key​ MG5 Tutorial] || Olivier Mattelaer || Duke || 30 min || || 107 || December 2012 || [attachment:12_12_17_MG5_frameworks.pdf​ MG5 framework and plan] || Olivier Mattelaer || CERN (ERC meeting) || 1h || || 106 || 17 December 2012 || [https://madanalysis.irmp.ucl.ac.be/attachment/wiki/Talks/erc12.pdf MadAnalysis 5 From the past to the future] || Benjamin Fuks || Xmas ’12 ERC LHCTheory workshop, CERN, Switzerland || 30 mins || || 105 || November 2012 || [attachment:12_11_19_LPCC-MC-CERN.pdf​ MG5 development and plan] || Olivier Mattelaer || CERN (LPCC) || 30 min || || 104 || 6 November 2012 || [https://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/Talks/TerascaleNov12.pdf Status and new developments in MadAnalysis 5] || Eric Conte || GDR Terascale@Orsay, Orsay, France || 25 mins || || 103 || 4 September 2012 || [attachment:HP2_2012.pdf MadLoop 5 status] || Valentin Hirschi || HP2 2012 (Münich) || 30 min || || 102 || 21 June 2012 || [https://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/Talks/tools2012.pdf MadAnalysis 5, a new framework for collider phenomenology] || Guillaume Serret || Tools 2012, Stockholm, Sweden || 40 mins || || 101 || 19 June 2012 || [attachment:TOOLS_2012.pdf MadGraph 5 - Going beyonder] || Valentin Hirschi || TOOLS 2012 (Stockholm) || 40 min || || 100 || 11 June 2012 || [https://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/Talks/fastsim_cern.pdf MadAnalysis 5] || Benjamin Fuks || Fast simuuators for the LHC, CERN, Switzerland || 30 mins || || 99 || May 2012 || [attachment:12_05_10_PITTGRAPH.pdf​ Developing MG5] || Olivier Mattelaer || PITTGRAPH || 30 min || || 98 || May 2012 || [attachment:12_05_09_PHENO12_MG5.pdf​ Update on MG5] || Olivier Mattelaer || PHENO || 20 min || || 97 || 10 May 2012 || [https://madanalysis.irmp.ucl.ac.be/attachment/wiki/Talks/mg5_spring2012.pdf MadAnalysis 5, status and plans] || Benjamin Fuks || !MadGraph Spring 2012 Meeting, Pittsburgh, USA || 30 mins || || 96 || 25 April 2012 || [https://madanalysis.irmp.ucl.ac.be/attachment/wiki/Talks/GDR2012_serret.pdf MadAnalysis 5, a new framework for collider phenomenology] || Guillaume Serret || GDR Terascale@Clermont 2012, Clermont-Ferrand, France || 20 mins || || 95 || 28 March 2012 || [https://madanalysis.irmp.ucl.ac.be/attachment/wiki/Talks/FR2012_conte.pdf MadAnalysis 5] || Eric Conte || !FeynRules 2012, Sainte-Odile, France || 30 mins || || 94 || March 2012 || [attachment:12_03_26_MG5_FR.pdf​ MG5, UFO and ALOHA] || Olivier Mattelaer || FR workshop (Mont-St Odile) || 30 min || || 93 || March 2012 || [attachment:12_03_22_MC4BSM_MG5.pdf​ BSM in MG5] || Olivier Mattelaer || MC4BSM || 30 min || || 92 || January 2012 || [attachment:12_01_20_MW_STRASBOURG.pdf​ Matrix element method and MadWeight] || Olivier Mattelaer || Strasbourg (invited seminar) || 1h || || 91 || January 2012 || [attachment:12_01_18_MW_Tuto.pdf Madweight tutorial] || Olivier Mattelaer || Strasbourg || 1h || || 90 || January 2012 || [attachment:12_01_18_MG5_TUTO_STRASBOURG.pdf​ Madgraph 5 tutorial] || Olivier Mattelaer || Strasbourg || 1h || || 89 || 21 September 2011 || [https://madanalysis.irmp.ucl.ac.be/attachment/wiki/Talks/MG2011_fuks.pdf MadAnalysis 5] || Benjamin Fuks || !MadGraph 2011, Roma, Italy || 20 mins || || 88 || September 2011 || [attachment: MG5 and ALOHA] || Olivier Mattelaer || ROME || 30 min || || 87 || June 2011 || [attachment:11_06_30_MW_NIKHEF.pdf A new approach to matrix element re-weighting] || Olivier Mattelaer || NIKHEF (invited seminar) || 1h || || 86 || May 2011 || [attachment:11_05_09_PHENO_MG5.pdf Going beyhond] || Olivier Mattelaer || PHENO || 1h || || 85 || May 2011 || [attachment:11_05_05_UFO_ALOHA_FNAL.pdf​ UFO & ALOHA] || Olivier Mattelaer || FERMILAB || 1h || || 84 || May 2011 || Madgraph5 Tutorial || Olivier Mattelaer || FERMILAB || 1h || || 83 || May 2011 || [attachment: Madgraph5] || Olivier Mattelaer || FERMILAB || 1h || || 82 || 31 March 2011 || [attachment:Fermilab-310311.pdf MadGraph 5 - the All-new Matrix Element Generator for Everything] || Johan Alwall || Fermilab Theory seminar || 60 min || || 81 || February 2011 || [attachment:11_02_04_MW_CERN.pdf A new approach to matrix element re-weighting] || Olivier Mattelaer || CERN || 20 min || || 80 || November 2010 || [attachment:10_11_25_Grenada.pdf Status of MadGraph5] || Olivier Mattelaer || HEPTOOLS FINAL MEETING || 30 min || || 79 || November 2010 || [attachment:10_10_05_ALOHA_MG_BSM.pdf ALOHA] || Olivier Mattelaer || Madgraph Meeting (VUB) || 30 min || || 78 || November 2010 || [attachment:10_10_04_MG5_tutorial.pdf MG5 Tutorial] || Olivier Mattelaer || Madgraph Meeting (VUB) || 30 min || || 77 || November 2010 || [attachment:MadWeight_talk.pdf Automation of the Matrix Element Reweighting Method] || Pierre Artoisenet || Seminar given at 10 different places (Caltech, UCLA, LBNL, UCI, ...) || 60 min || || 76 || 06 Jully 2010 || [attachment:Madgraph5_Tools2010.pdf Madgraph5: The new Madgraph generation] || Olivier Mattelaer || Tools 2010 || 30 min || || 75 || 19 May 2010 || [attachment:MadGraph5_tutorial.pdf Tutorial for MG5 beta 0.4.1] || Olivier Mattelaer || Tutorial at CP3 (Louvain) || 60 min || || 74 || 19 May 2010 || [attachment:Madgraph5_CP3_.pdf Presentation of MadGraph5] || Olivier Mattelaer || Seminar at CP3 (Louvain) || 40 min || || 73 || 10 May 2010 || [attachment:pheno2010.pdf Automatic event reweighting with matrix elements in MadGraph/MadEvent] || Pierre Artoisenet || Phenomenology 2010 Symposium (Madison) || 13 min || || 72 || 24 April 2010 || [attachment:AS-LHC-Focus-240410.pdf MadGraph 5 – The All-New Matrix Element generator for Everything] || Johan Alwall || LHC meeting at Academia Sinica, Taiwan || 30 min || || 72 || 02 Nov 2010 || [attachment:Vienne2009.pdf Matrix Element Method for New Physics] || Olivier Mattelaer || HEPTOOLS Meeting || 20 min || || 71 || 15 Oct 2009 || [attachment:OSUpresentationpdf.pdf Discovering new physics at the Tevatron and LHC] || Pierre Artoisenet || nuclear seminar at Ohio State University || 60 min || || 70 || 24 Sep 2009 || [attachment:frederix_2009-09-24.pdf FKS subtraction in MadGraph/MadEvent] || Rikkert Frederix || CERN !PhenClub || 60 min, mainly blackboard || || 69 || 9 June 2009 || [attachment:Hsin-Chu-090609.pdf MadGraph/Madevent - Introduction and mini-tutorial] || Johan Alwall || Lecture at !Tsing Hua, Taiwan || 60 min || || 68 || 3 Jun 2009 || [attachment:frederix_2009-06-03.pdf MadDipole: dipole subtraction method in MadGraph] || Rikkert Frederix || Mini workshop on automatic NLO computations, Wuppertal || 30 min || || 67 || 11 May 2009 || [attachment:CalTech-110509.pdf New Physics, QCD Radiation and MadGraph/Madevent] || Johan Alwall || Seminar at !CalTech || 60 min || || 66 || 7 May 2009 || [attachment:maltoni-mc4bsm.pdf MadGraph/Madevent] || Michel Herquet || !MC4LHC school 2009 || 45 min lecture || || 65 || 21 Apr 2009 || [attachment:frederix_DESY.pdf MadGraph/Madevent] || Rikkert Frederix || MC Terascale school, DESY Hamburg || 20 min lecture || || 64 || 1 Apr 2009 || [attachment:Davis-MET-FeynRules-Alwall.pdf A Roadmap for communication of BSM models for the LHC] [attachment:Davis-MET-FeynRules.odp odp] || Johan Alwall || Missing ET workshop, UC Davis || 20 min || || 63 || 31 Mar 2009 || [attachment:London_frederix_310309.pdf Top pair invariant mass] || Rikkert Frederix || SM discoveries with early data, London || 15 min || || 62 || 26 Mar 2009 || [attachment:NIKHEF.pdf QCD radiation in the production of heavy colored particles at the LHC] || Simon de Visscher || TH seminar at NIKHEF || 30 min || || 61 || 18 Mar 2009 || [attachment:IPMU.pdf MadGraph/MadEvent, Recent Past, Present, Future] || Michel Herquet || IPMU Focus week on spin and mass measurement || 50 min || || 60 || 11 Mar 2009 || [attachment:maltoni-_kyoto-2009.pdf SM and BSM simulations for the LHC] || Fabio Maltoni || Yukawa Institute Workshop || 60 min || || 59 || 26 Feb 2009 || [attachment:Fermilab-interview.pdf QCD radiation and New Physics production at the LHC] || Johan Alwall || Seminar at Fermilab, Illinois || 51 slides (60 min) || || 58 || 23 Jan 2009 || [attachment:MW_SLAC_THSeminar.pdf MadWeight: event reweighting with matrix element] || Mattelaer Olivier || seminar at SLAC || 60 min || || 57 || 22 Jan 2009 || [attachment:SMU-220109.pdf MadGraph/MadEvent \x{2012} News and developments] || Johan Alwall || Seminar at SMU, Dallas, Texas || 33 slides (60 min) || || 56 || 15 Dec 2008 || [attachment:MC.pdf MadGraph tutorial, running the code and gridpack preparation] || Simon de Visscher || CERN || 20 min || || 55 || 24 Oct 2008 || [attachment:frederix_grenoble2008.pdf Top physics with MadGraph/MadEvent] || Rikkert Frederix || Talk at Top Workshop, Grenoble || 24 slides (25 min) || || 54 || 24 Oct 2008 || [attachment:maltoni_grenoble_2008.pdf Top quark physics in MC generators] || Fabio Maltoni || Talk at Top Workshop, Grenoble || 40 slides (40 min) || || 53 || 14 Oct 2008 || [attachment:Alwall-IPMU-141008.pdf Effects of Jet matching in BSM signals] || Johan Alwall || Seminar at IPMU, Tokyo, Japan || 40 slides (60 min) || || 52 || 18 Sept 2008 || [attachment:MadWeight_Charged_Higgs_170908.pdf MadWeight] || Olivier Mattelaer || Charged Higgs 2008, Uppsala,Sweden || 11 slides (15 min) || || 51 || 3 Aug 2008 || [attachment:maltoni-ichep2008.pdf Theoretical Modeling of SM processes in hadronic collisions] || Fabio Maltoni || ICHEP 2008, Philadelphia US || 30 min (plenary talk) || || 50 || 24 Jun 2008 || [attachment:FocusWeek2008.pdf Recent developments in MG/ME] || Rikkert Frederix || !IPMU Focus week, Tokyo, Japan || +-50 slides (60 min) || || 49 || 20 Jun 2008 || [attachment:susy08_sdevisscher.pdf Radiation of extra-jets in inclusive SUSY samples] || Simon de Visscher || !SUSY08,Seoul,Korea || 38 slides (invited parallel talk) || || 48 || 17 Jun 2008 || [attachment:susy08_alwall.pdf New developments in MadGraph/MadEvent] || Johan Alwall || !SUSY08,Seoul,Korea || 36 slides (plenary talk) || || 47 || 28 May 2008 || [attachment:maltoni-hcp2008.pdf QCD for the LHC] || Fabio Maltoni || !HCP2008, Illinois, US || 40 slides || || 46 || 22 May 2008 || [attachment:Maltoni-Top2008.pdf Matrix element generators for top physics] || Fabio Maltoni || !Top2008, Elba, IT || 66 slides || || 45 || 16 May 2008 || [attachment:Alwall-LoopFestVII.pdf News from MadGraph/MadEvent] || Johan Alwall || !LoopFestVII, Buffalo, US || 36 slides || || 44 || 9 May 2008 || [attachment:maltoni-UCL-08.pdf Top invariant mass as a window on BSM] || Fabio Maltoni || UIUC, UCLondon, NIKHEF, Bologna, Wuppertal || 36 slides (seminar) || || 43 || 29 Apr 2008 || [attachment:MadWeight_GDRSUSY_290408.pdf MadWeight: a new tool for event reweighting] || Olivier Mattelaer || SUSY-GDR, Strasbourg || 18 slides(20 min) || || 42 || 28 Apr 2008 || [attachment:SUSY-GDR2008frederix.pdf MadGraph/MadEvent for BSM] || Rikkert Frederix || SUSY-GDR, Strasbourg || 24 slides || || 41 || 24 Apr 2008 || [attachment:LoopsLegs2008frederix.pdf News from MadGraph/MadEvent] || Rikkert Frederix || Loops & Legs 2008, Sondershausen || 24 slides || || 40 || 24 Apr 2008 || [attachment:herquet.pdf MG/ME for photon physics at the LHC] || Michel Herquet || High energy photon collisions at the LHC, CERN || 28 slides || || 39 || 23 Apr 2008 || [attachment:Cornell-230408.pdf Finding unexpected gluinos at the Tevatron] || Johan Alwall || Cornell University seminar || 31 slides || || 38 || 31 Mar 2008 || [attachment:CMSGeneratorMeeting.pdf Status of MG/ME Productions] || Simon de Visscher || CMS PH Generator Meeting, CERN || 16 slides || || 37 || 27 Mar 2008 || [attachment:Wjets-270308.pdf Matching of W+jets in MadEvent and Pythia] || Johan Alwall || Berkeley workshop on Boson + jets production, Berkeley || 19 slides || || 36 || 11 Mar 2008 || [attachment:FeynRules_MC4BSM.pdf FeynRules - New models phenomenology made easy] || Claude Duhr || !MC4BSM, CERN || 33 slides +19 backup slides || || 35 || 11 Mar 2008 || [attachment:maltoni-mc4bsm.pdf MadGraph/MadEvent 4 BSM : status and perspectives] || Fabio Maltoni || !MC4BSM, CERN || 31 slides || || 34 || 10 Mar 2008 || [attachment:qnumbers.pdf A Les Houches Interface for BSM Generators] || Michel Herquet || !MC4BSM, CERN || 16 slides || || 33 || 18 Feb 2008 || [attachment:maltoni-frascati.pdf MadGraph/MadEvent : status and perspectives] || Fabio Maltoni || MCWS, Frascati || 42 slides || || 32 || 11 Feb 2008 || [attachment:ATLAS_simon.pdf Multi-jet process generation at LHC ] || Simon de Visscher || CERN ATLAS MC group || 20 slides || || 31 || 11 Feb 2008 || [attachment:cern_atlas_nobkg.pdf MadGraph/MadEvent v4: Building bridges between theory(ies) and experiment(s)] || Michel Herquet || CERN ATLAS MC group || 22 slides || || 30 || 6 Feb 2008 || [attachment:LCG_simon.pdf Multi-jet process generation at LHC] || Simon de Visscher || CERN LCG || 20 slides || || 29 || 6 Feb 2008 || [attachment:cern_lcg_nobkg.pdf MadGraph/MadEvent v4: Building bridges between theory(ies) and experiment(s)] || Michel Herquet || CERN LCG || 32 slides || || 28 || 13 Nov 2007 || [attachment:claude-gdr.pdf FeynRules: New models phenomenology made easy ] || Claude Duhr || SUSY-GDR, Bruxelles || 31 pages, parallel talk || || 27 || 13 Nov 2007 || [attachment:simon-gdr.pdf Extra jet radiation in inclusive SUSY samples and SM backgrounds ] || Simon de Visscher || SUSY-GDR, Bruxelles || 26 pages, parallel talk || || 26 || 12 Nov 2007 || [attachment:fabio-gdr.pdf MC tools for hadron colliders ] || Fabio Maltoni || SUSY-GDR, Bruxelles || 33 pages, plenary talk || || 25 || 23 Oct 2007 || [attachment:ALCPG-231007.pdf New developments in MG/ME 4] || Johan Alwall || ALCPG07, Fermilab || 11 slides + backup slides on MG/ME at the ILC || || 24 || 19 Oct 2007 || [attachment:grenobleOct2007.pdf Top & New physics with MadGraph] || Rikkert Frederix || Top workshop, Grenoble || 24 slides + backup slides on (BSM physics in) Top physics with MG || || 23 || 17 Oct 2007 || [attachment:MadOnia.pdf Implementation of quarkonium production cross sections within MadGraph] || Pierre Artoisenet || QWG07, Hamburg || 20 min, parallel talk || || 22 || 14 Sep 2007 || [attachment:florence.pdf MadGraph/MadEvent v4: Event simulation for SM and BSM physics ] || Fabio Maltoni || ILC workshop, Florence || 27 pages, 30 min, plenary talk || || 21 || 19 Jul 2007 || [attachment:eps07.pdf MonteCarlo's for Top Physics ] || Fabio Maltoni || EPS 2007, Manchester || 27 pages, 30 min talk || || 20 || 16 Jul 2007 || [attachment:cernjuillet2007.pdf Latest development for ME-PS matching with MG/ME] || Simon de Visscher || Joint Top/EWK meeting , CERN || 14 slides + backup slides on automatic matching validation and kinematics plotting || || 19 || 8 Jun 2007 || [attachment:cms-maltoni.pdf MonteCarlo's for Top Physics ] || Fabio Maltoni || Strasbourg, CMS meeting || 27 pages, 30 min talk || || 18 || 5 Jun 2007 || [attachment:cernjuin2007.pdf Production of ttbar + jets with MG/ME] || Simon de Visscher || Top group meeting , CERN || 16 slides + backup slides on ttbar matching and perspective with CMSSW || || 17 || 4 May 2007 || [attachment:Alwall-Irvine040507.pdf From model to events using MadGraph/MadEvent 4] || Johan Alwall || !WestCoast LHC Theory meeting, UC Irvine || 15 slides + backup slides on how to implement new models in MG/ME || || 16 || 18 Apr 2007 || [attachment:LoopFest-alwall.pdf Matching of Matrix Elements and Parton Showers with MadEvent and Pythia] || Johan Alwall || !LoopFest VI, Fermilab || 23 slides + backup slides || || 15 || 20 May 2007 || [attachment:stelzerCTEQ07.pdf Theory Tools for New Physics Searches: MadGraph and MadEvent] || Tim Stelzer || CTEQ 2007, Michigan || 14 slides || || 14 || 14 Apr 2007 || [attachment:ACAT2007.pdf MadGraph/MadEvent V4: from models to events] || Rikkert Frederix || ACAT 2007 Amsterdam || 18 slides on Usermod with BSM examples in ttbar invariant mass || || 13 || 18 Apr 2007 || [attachment:dis2007.pdf MadGraph/MadEvent at work, from QCD to new physics] || Simon de Visscher || DIS 2007, Munich || 20 slides on MG/ME + Jet Matching with Modified MLM method || || 12 || 23 Mar 2007 || [attachment:stelzer-princeton-07.pdf Model <-> Experiment, Bridging the Gap] || Tim Stelzer || !MC4BSM, Princeton || 26 slides on general aspects of MG/ME 4 || || 11 || 23 Mar 2007 || [attachment:herquet-princeton-07.pdf The two-Higgs-doublet model implementation in MadGraph v4] || Michel Herquet || !MC4BSM, Princeton || 11 slides on 2HDM model in MG/ME v4 || || 10 || 23 Mar 2007 || [attachment:alwall-princeton-07.pdf MadMarmoset: The power of MadGraph with OSETS] || Johan Alwall || !MC4BSM, Princeton || 11 slides on the Mad version of Marmoset || || 9 || 13 Mar 2007 || [attachment:SantaCruz-060313.pdf MadGraph/MadEvent 4 - SUSY, new models, matching and more] || Johan Alwall || UC Santa Cruz || 13 slides on MG/ME v4 + MSSM and 2HDM || || 8 || 26 Feb 2007 || [attachment:maltoni-gent-07.pdf Getting ready for the LHC: Commissioning the theoretical tools] || Fabio Maltoni || PAI meeting, Gent || 46 slides on general aspects of TH tools for LHC and MG/ME || || 7 || 12 Feb 2007 || [attachment:IIHE.pdf MadGraph/MadEvent v4 - From models to detectors in one go] || Michel Herquet || IIHE, Brussels || 18 slides on general aspects of MG/ME v4.1 || || 6 || 15 Sep 2006 || [attachment:Charged2006-smadgraph.odp MadGraph/MadEvent 4.0 - SUSY, 2HDM and more] || Johan Alwall || H+ meeting, Uppsala || 13 slides on MG/ME v4 + MSSM and 2HDM || || 5 || 15 Jul 2006 || [attachment:MG_ME.odp MadGraph/MadEvent 4.0 - The New Web Generation] || Johan Alwall || !MC4LHC, CERN || 24 slides on general aspects of MG/ME v4 || || 4 || 26 Jun 2006 || [attachment:MG_TNP2006.pdf MadGraph/MadEvent 4.0 - New tools for New Physics] || Michel Herquet || Tools for New Physics (Annecy) || 16 slides on general aspects of MG/ME v4 || || 3 || 12 Apr 2006 || [attachment:maltoni-06.key MonteCarlo's for new physics at the LHC] || Fabio Maltoni || IFAE, Pavia || 30 mins talk at a conference for exps and th. || || 2 || 27 Feb 2006 || [attachment:maltoni-frascati-06.pdf Review of matrix-element-based generators] || Fabio Maltoni || MC meeting, Frascati || 30 mins talk at a Workshop for exps. || || 1 || 20 Oct 2005 || [attachment:maltoni-bari05.pdf MonteCarlo generators for backgrounds at the LHC] || Fabio Maltoni || ATLAS/CMS meeting, Bari || 30 mins talk at a Workshop for exps. ||