Dr. Matthew Saul Leifer


Address
Schmid College of Science and Technology
Chapman University
One Univeristy Drive
Orange, CA 92866
United States
Telephone +1 714 744 7985
E-mail
Website http://mattleifer.info

Work Experience

Academic Positions

Assistant Professor Jan. 2016 - Present
Schmid College of Science and Technology, Chapman University, Orange CA, USA
Long Term Visitor Aug. 2013 - Dec. 2015
Perimeter Institute for Theoretical Physics, Waterloo, ON, Canada
Not working due to illness Jan. 2012 - Aug. 2013
Part Time Research Associate Dec. 2010 - Dec. 2011
Department of Physics and Astronomy, University College London, London, UK
Not working due to illness Apr. 2008 - Nov. 2010
Postdoctoral Fellow in Quantum Information Theory Jan. 2007 - Apr. 2008
Institute for Quantum Computing/Department of Applied Math, University of Waterloo, ON, Canada
Associate Postdoctoral Fellow in Quantum Foundations Jan. 2007 - Apr. 2008
Perimeter Institute for Theoretical Physics, Waterloo, ON, Canada
Research Associate in Quantum Information Theory and Quantum Foundations Oct. 2006 - Jan. 2007
Centre for Quantum Computing, DAMTP, University of Cambridge, Cambridge, UK
Postdoctoral Fellow in Quantum Information Theory and Quantum Foundations Jan. 2004 - Sep. 2006
Perimeter Institute for Theoretical Physics, Waterloo, ON, Canada
Research Assistant in Quantum Information Theory Nov. 2003 - Dec. 2003
School of Mathematics, University of Bristol, Bristol, UK

Teaching Experience

Graduate Lecturing
  • Introduction to Bayesian Networks (three lectures), University of Queensland, Australia, Oct. 2005
Undergraduate Lecturing
  • PHYS201 (General Physics III), Chapman University, USA, Aug. 2016 — Dec. 2016
  • PHYS451 (Quantum Mechanics), Chapman University, USA, Aug. 2016 — Dec. 2016
  • PHYS102 (General Physics II), Chapman University, USA, Feb. 2016 — May 2016
  • MATH137 (Intro. Calculus for Math Hons.), University of Waterloo, Canada, Sep. 2007 — Dec. 2007
  • Advanced Quantum Mechanics (two lectures covering for lecturer's absence), University of Waterloo, Canada, Sep. 2006
  • Interpretations of Quantum Mechanics: Current Status and Future Directions (guest lecture on Quantum Logic), University of Waterloo, Canada, Mar. 2005
Undergraduate Independent Studies
  • IS304: Is the quantum state real? (supervisor for independent studies student D. Jia) University of Waterloo, Canada, Jan. 2015 — Apr. 2015
Undergraduate Tutoring
  • Mathematics 1A (Math for 1st year Physics, Chemistry and Economics Students), University of Bristol, UK, Oct. 2000 — June 2003
Undergraduate Computer Lab Demonstrating
  • Mathematics 1A (Maple and MATLAB), University of Bristol, UK, Oct. 2001 — June 2003

Research Student Supervision

T. Waterhouse Jan. 2008 - Apr. 2008
visiting Ph.D. student from University of British Columbia

Project: Temporal Joint Measurements

O. Dahlsten July 2007 - Sep. 2007
visiting Ph. D. student from Imperial College

Project: Unentangled Bit Commitment in Generic Probabilistic Models

R. Morris June 2007 - Aug. 2007
University of Waterloo Undergraduate Research Student

Project: Distinguishability as a Resource Theory

Education

Ph.D. in Applied Mathematics Oct. 2003
University of Bristol (Bristol, United Kingdom)
Research area: Quantum Information Theory
Thesis Title: Entangled Quantum Dynamics. Advisor: Prof. Noah Linden.
Master of Advanced Studies in Mathematics (Maths Tripos Part III) July 2000
University of Cambridge (Cambridge, United Kingdom)
Passed with distinction
B.Sc. in Physics with Theoretical Physics July 1999
University of Manchester (Manchester, United Kingdom)
Passed with 1st class hons.

Publications

Articles in Refereed Journals

Articles in Conference Proceedings

Book Chapters

  • Mathematics Is Physics” M. S. Leifer. 2016. eprint arXiv:1508.02770. Second prize winner in 2015 FQXi Essay Contest "Trick or Truth: the Mysterious Connection Between Physics and Mathematics". Appeared in "Trick or Truth? The Mysterious Connection Between Physics and Mathematics" edited by A. Aguirre, B. Foster and Z. Merali, pp. 21—40 (Springer).
  • "It from bit" and the quantum probability rule” M. S. Leifer. 2015. eprint arXiv:1311.0857. Winning entry of the 2013 FQXi Essay Contest. Appeared in "It From Bit or Bit From It? On Physics and Information" edited by A. Aguirre, B. Foster and Z. Merali, pp. 5—22 (Springer).

Preprints

Book Reviews

Newsletter Articles

Talks and Poster Presentations

Panel Discussions

Invited Talks at Conferences and Workshops

Invited Commentaries at Conferences and Workshops

Contributed Talks at Conferences, Workshops and Summer Schools

  • Does time-symmetry in quantum theory imply retrocausality?” The 18th UK and European Conference on Foundations of Physics. London School of Economics, UK. July 17, 2016.
  • Plausibility Measures on Test Spaces” 13th Biennial IQSA Meeting. University of Leicester, UK. July 13, 2016.
  • Logical pre- and post-selection paradoxes are proofs of contextuality” Conference on Quantum Information and Quantum Control. Fields Institute, Toronto, Canada. Aug. 21, 2015.
  • Does protective measurement imply the reality of the quantum state?” APS March Meeting. San Antonio, USA. Mar. 4, 2015.
  • Cloning, Broadcasting and the de Finetti theorem in Generalized Probablistic Theories” APS March Meeting. Denver, USA. Mar. 5, 2007.
  • Conditional Density Operators in Quantum Information” Operator Structures in Quantum Information. Banff, Canada. Feb. 12, 2007.
  • Quantum Causal Networks” Cats, Kets and Cloisters. Oxford, UK. July 21, 2006.
  • Quantum Dynamics as Generalized Conditional Probabilities” 8th Biennial IQSA Meeting. Malta. July 13, 2006.
  • Entanglement of Overlapping Systems and the Breakdown of the Tensor Product” APS March Meeting. Baltimore, USA. Mar. 13, 2006.
  • Quantum Analogs of Bayes' Rule” Summer School on Philosophy, Probability and Physics. Konstanz, Germany. Aug. 2005.
  • Logical Pre- and Post-Selection Paradoxes, Measurement-Disturbance, and Contextuality” 7th Biennial IQSA Meeting. Denver, USA. July 2004.
  • Measuring Polynomial Invariants of Multi-Party Quantum States” 4th European QIPC Workshop. Oxford, UK. July 2003.
  • Optimal Entanglement Generation from Quantum Operations” Informal Quantum Information Gathering. Imperial College, London, UK. Sep. 2002.
  • Multi-particle Entanglement in Quantum States and Evolutions” Winter School on "QuEnt" Quantum Entanglement and Quantum Information. Les Houches, France. Mar. 2001.

Poster Presentations at Conferences and Workshops

  • Plausibility Measures on Test Spaces” Quantum Physics and Logic. Oxford, UK. July 15, 2015.
  • Psi-Epsitemic Models are Exponentially Bad at Explaining the Distinguishability of Quantum States” Quantum Unspeakables II: 50 Years of Bell's Theorem. Vienna, Austria. June 2014.
  • Pre- and Post-Selection Paradoxes and Contextuality in Quantum Mechanics” The Seventh International Conference on Quantum Communication, Measurement and Computing. Glasgow, UK. July 2004.
  • Pre- and Post-Selection Paradoxes and Contextuality in Quantum Mechanics” Reference Frames and Superselection Rules in Quantum Information Theory. Perimeter Institute, Canada. July 2004.
  • Measuring Polynomial Invariants of Multi-Party Quantum States” MaPhySto/QUANTOP Workshop on Quantum Measurements and Quantum Stochastics. Aarhus, Denmark. Aug. 2003.
  • Optimal Entanglement Generation from Quantum Operations” The Sixth International Conference on Quantum Communication, Measurement and Computing. MIT, Cambridge, USA. July 2002.
  • Optimal Entanglement Generation from Quantum Operations” Quantum Information: Conceptual Foundations, Developments and Perspectives. Oviedo, Spain. July 2002.
  • Simulation of 2-qubit Hamiltonians using General Local Operations” London Mathematical Society Regional Meeting. University of Bristol, UK. Sep. 2001.

Seminars

  • Everything you wanted to know about the reaility of the quantum state, but were afraid to ask Matt Pusey” Quantum Foundations Seminar. Perimeter Institute, Canada. June 17, 2016.
  • Does time-symmetry in quantum theory imply retrocausality?” Southern California Philosophy of Physics Reading Group. UC Irvine, USA. Mar. 5, 2016.
  • Does time-symmetry in quantum theory imply retrocausality?” Quantum Group Meeting. Chapman University, USA. Feb. 4, 2016.
  • Bounds on psi-epistemic explanations of quantum indistinguishability from noncontextuality inequalities” Quantum Seminar. University of Oxford, UK. Oct. 29, 2015.
  • Plausibility Measures on Test Spaces” Quantum Foundations Seminar. University of Vienna, Austria. Oct. 22, 2015.
  • Bounds on psi-epistemic explanations of quantum indistinguishability from noncontextuality inequalities” Quantum Information Seminar. University College London, UK. Oct. 19, 2015.
  • Aharonov Meets Spekkens: What do quantum paradoxes tell us about the nature of reality?” Quantum Information and Foundations Seminar. University of Cambridge, UK. Oct. 15, 2015.
  • Probabilities in quantum theory and beyond” Quantum Information group meeting. Imperial College, London, UK. Oct. 14, 2015.
  • What Are Quantum States?” Physics and Computational Science Seminar. Chapman University, USA. Jan. 28, 2015.
  • 2 out of 3 Roads to Quantum Foundations” Quantum Foundations Seminar. IQOQI Vienna, Austria. Dec. 10, 2014.
  • A Survey of Quantum Conditional States and their Applications” Applied Mathematics Seminar. University of Western Ontario, Canada. June 4, 2014.
  • Is the Wavefunction Real?” Philosophy of Physics Seminar. University of Western Ontario, Canada. June 3, 2014.
  • Psi-Epistemic Models are Exponentially Bad at Explaining the Distinguishability of Quantum States” Theoretical Physics Seminar. Imperial College, UK. Apr. 3, 2014.
  • Is the Wavefunction Real?” Philosophy of Physics Seminar. University of Bristol, UK. Apr. 2, 2014.
  • Psi-Epistemic Models are Exponentially Bad at Explaining the Distinguishability of Quantum States” Quantum Foundations Seminar. Perimeter Institute, Canada. Feb. 18, 2014.
  • Quantum Theory as a Causally Neutral Theory of Bayesian Inference” Philosophy of Physics Seminar. Oxford University, UK. Oct. 20, 2011.
  • Quantum Conditional States, Bayes' Rule and Quantum Pooling” Quantum Foundations Seminar. University of Toronto, Canada. May 26, 2011.
  • Quantum Conditional States, Bayes' Rule and Quantum Pooling” Quantum Foundations Seminar. Perimeter Institute, Canada. May 17, 2011.
  • Quantum Conditional States, Bayes' Rule, and State Compatibility” Quantum Information Seminar. University of Sherbrooke, Canada. May 6, 2011.
  • Quantum Conditional States, Bayes' Rule, and State Compatibility” Institute for Quantum Computing Seminar. University of Waterloo, Canada. Apr. 5, 2011.
  • Quantum Conditional States, Bayes' Rule, and State Compatibility” Centre for Quantum Information and Foundations Seminar. University of Cambridge, UK. Mar. 3, 2011.
  • Quantum Conditional States, Bayes' Rule, and State Compatibility” Quantum Dyanmics Seminar. Royal Holloway, UK. Feb. 3, 2011.
  • Quantum Conditional States, Bayes' Rule, and State Compatibility” Quantum Dyanmics Seminar. Imperial College, UK. Dec. 14, 2010.
  • Cloning and Broadcasting in Generalized Probabilistic Theories” Quantum Information Seminar. CalTech, USA. Feb. 20, 2007.
  • Cloning and Broadcasting in Generalized Probabilistic Theories” Quantum Information Seminar. University of Cambridge, UK. Nov. 2006.
  • Cloning and Broadcasting in Generalized Probabilistic Theories” Quantum Information Seminar. University of Bristol, UK. Nov. 2006.
  • Cloning and Broadcasting in Generalized Probabilistic Theories” Quantum Information Seminar. Imperial College, UK. Nov. 2006.
  • Cloning and Broadcasting in Generalized Probabilistic Theories” Quantum Information Seminar. Royal Holloway, UK. Nov. 2006.
  • Cloning and Broadcasting in Generalized Probabilistic Theories” Quantum Information Seminar. University of Leeds, UK. Oct. 2006.
  • Quantum Dynamics as Generalized Conditional Probabilities” Quantum Information and Geometric Statistics Seminar. University of Guelph, Canada. Sep. 19, 2006.
  • Quantum Causal Networks” PiQuDos Seminar. Perimeter Institute, Canada. June 28, 2006.
  • Quantum Causal Networks” Quantum Information Seminar. Los Alamos National Laboratory, USA. Apr. 2006.
  • Quantum Causal Networks” Quantum Information Seminar. University of New Mexico, USA. Apr. 2006.
  • Quantum Causal Networks” Institute for Quantum Computing Seminar. University of Waterloo, Canada. Apr. 2006.
  • Noncommuting Subsystems and the Breakdown of the Tensor Product” Quantum Information Seminar. ERATO Tokyo, Japan. Feb. 6, 2006.
  • Is Quantum Computing Quantum Logical?” Quantum Information Seminar. Technical University of Innsbruck, Austria. Jan. 2006.
  • Entanglement of Overlapping Systems and the Breakdown of the Tensor Product” Quantum Informtion Seminar. Imperial College, UK. Jan. 2006.
  • Entanglement of Overlapping Systems and the Breakdown of the Tensor Product” Mathematical Physics Seminar. University of York, UK. Jan. 9, 2006.
  • What's Wrong with these Quantum Computations?” Quantum Information Seminar. University of Sydney, Australia. Nov. 2005.
  • Do we Need a Logic of Quantum Computation?” Quantum Information Seminar. Griffith University, Australia. Oct. 2005.
  • Do we Need a Logic of Quantum Computation?” Quantum Information Seminar. University of Queensland, Australia. Oct. 2005.
  • Pre- and Post-Selection Paradoxes, Measurement-Disturbance and Contextuality in Quantum Mechanics” Quantum Information Seminar. Bell Labs, USA. Apr. 2005.
  • Pre- and Post-Selection Paradoxes, Measurement-Disturbance and Contextuality in Quantum Mechanics” PiQuDos Seminar. Perimeter Institute, Canada. Nov. 10, 2004.
  • Measuring Polynomial Invariants of Multi-Party Quantum States” PiQuDos Seminar. Perimeter Institute, Canada. Jan. 2003.
  • Optimal Entanglement Generation from Quantum Operations” Quantum Information Seminar. University of Bristol, UK. Aug. 2002.
  • Multi-particle Entanglement in Quantum States and Evolutions” Applied Mathematics Seminar. University of Bristol, UK. Jan. 2001.
  • Multi-particle Entanglement in Quantum States and Evolutions” Applied Mathematics Seminar. University of Bristol, UK. Jan. 2001.

Scholarships and Awards

  • Second prize, FQXi essay contest. Foundational Questions Institute (FQXi.org), 2015
  • First prize, FQXi essay contest. Foundational Questions Institute (FQXi.org), 2013
  • Mary Higgins Postgraduate Scholarship. Girton College, Cambridge, 2000
  • C. B. West Postgraduate Prize in Mathematics. Girton College, Cambridge, 2000
  • Platt Prize in Physics. University of Manchester, 1999
  • Heginbottom Exhibition for best performance in first year exams in Physics. University of Manchester, 1997

Academic Service

Committees

  • Postdoc Representative, Postdoc Hiring Committee, Perimeter Institute, Canada, Nov. 2004 - June 2005
  • Postdoc Representative, Quantum Information Faculty Hiring Committee, Perimeter Institute, Canada, Jan. 2004 - June 2005

Refereeing for Journals

  • Foundations of Physics, Information, Journal of Physics A, Nature Physics, New Journal of Physics, Philosophy of Science, Physical Review A, Physical Review D, Physical Review Letters, Physical Review X, Physics Essays, Quanta, Quantum Information and Computation, Quantum Studies: Mathematics and Foundations, Studies in the History and Philosophy of Modern Physics, Synthese

Refereeing for International Conferences

  • IEEE International Symposium on Information Theory, Quantum Information Processing, Quantum Physics and Logic, UK and European Conference on Foundations of Physics

Refereeing for Academic Book Publishers

  • Springer

Refereeing for Research Grant Panels

  • National Science Center (Poland)

Editorial Work

  • Book reviews editor and editorial board member, "The Quantum Times", newsletter of the APS Topical Group on Quantum Information, Jan. 2008 - present

Confereces, Workshops and Summer Schools Organized

  • Focus session on Gamification and other novel approaches in quantum physics outreach, APS March Meeting, New Orleans, USA, Mar. 2017
  • 18th UK and European Conference on Foundations of Physics (programme committee member), July 2016
  • Quantum Physics and Logic 2016, Strathclyde, UK (programme committee member), June 2016
  • Making Sense of Quantum Mechanics & Concepts and Paradoxes in a Quantum Universe (co-organized with Y. Aharonov, J. Dressel, L. Hardy, and J. Tollaksen), June 2016
  • Quantum Physics and Logic 2015, Oxford, UK (programme committee member), July 2015
  • London Foundations Connection, Imperial College, London, UK (advisory committee member), May 2013
  • London Foundations Connection, University of London, UK (co-organized with A. Caulton), Apr. 2012
  • Invited Session on Quantum Information Meets Gravitation, APS March Meeting, New Orleans, USA (co-organized with L. Viola), Mar. 2008
  • Quantum Foundations Summer School, Perimeter Institute, Canada (co-organized with H. Burton and L. Hardy), Aug. 2007
  • Workshop on Quantum Information, Computation and Logic: Exploring New Connections, Perimeter Institute, Canada (co-organized with H. Barnum), July 2005

Seminar Series Organized

  • Q+ hangouts: Online seminars on quantum information and quantum foundations (co-organized with D. Burgarth). See http://qplus.burgarth.de and http://gplus.to/qplus for details, Aug. 2011 - Jan. 2016

Discussion Groups Organized

  • Contextuality Workgroup of Perimeter Institute Experts (CoWPIE), Perimeter Institute, Canada, 2004 - 2005
  • Quantum Information Journal Club, University of Bristol, UK, 2002 - 2003

Additional Items

Research Grants

  • 2016 - 2017: 9,775USD FQXi mini-grant (Foundational Questions Institute http://www.fqxi.org) for Institute for Quantum Studies Visitor Program — Role: Principal Investigator
  • 2015 - 2017: 52,601USD FQXi award (Foundational Questions Institute http://www.fqxi.org) for project on Quantum Theory in the Block Universe — Role: Principal Investigator
  • 2013 - 2015: 119,888USD FQXi award (Foundational Questions Institute http://www.fqxi.org) for project on Thermodynamic vs information theoretic entropies in probabilistic theories — Role: Co-Investigator (PI: J. Barrett, University of Oxford)
  • 2011: 1,500USD FQXi mini-grant (Foundational Questions Institute http://www.fqxi.org) for London Foundations Connection — Role: Principal Investigator
  • 2008: 7,500USD FQXi mini-grant (Foundational Questions Institute http://www.fqxi.org) for APS Invited Session: Quantum Information Meets Gravitation — Role: Principal Investigator
  • 2007 - 2011: 70,000USD FQXi award (Foundational Questions Institute http://www.fqxi.org) for project on Abstract Quantum Probability — Role: Principal Investigator

Professional Development

  • Feb. 2016: Attended 2016 Southern California PKAL Regional Network Annual Meeting on "Integrating Teaching, Assessment, and Education Research to Enhance Student Learning in STEM", UC Irvine, USA
  • Jan. 2016: Attended Chapman University January Conference on Critical Thinking

Summer Schools Attended

  • Aug. 2005: Summer School on Philosophy, Probability and Physics, Konstanz, Germany
  • July 2004: Summer School on Foundations of Physical Theories, Urbino, Italy
  • Mar. 2001: Winter School on "QuEnt" Quantum Entanglement and Quantum Information, Les Houches, France

MOOCs Completed

  • Sep. 2015 - Nov. 2015: Coursera: An Introduction to Evidence-Based Undergraduate STEM Teaching, Score 91.5%
  • Mar. 2012 - July 2012: Coursera: Probabilistic Graphical Models, Advanced Track, Score 96.6%
  • Oct. 2011 - Dec. 2011: Stanford MOOC: Introduction to Artifical Intelligence, Advanced Track, Score 92.4%

Programming/Scripting Skills

  • C/C++, HTML, LaTeX, Maple, Matlab, PHP, Python, Sage

Last updated: Aug. 4, 2016