Re: Here is one for our local Einstein...
The Baez crackpot index is also exactly right (and the reason why I didn't put some above stuff in all caps). It's been hanging in my lab right below a Calvin and Hobbes cartoon since Baez first put it out a decade ago. All physicists understand it and live by it.
Ray,
I'm "pretty sure" that we have the index laying around here somewhere. I think that I posted it a couple of years ago.
Anyway a repost is always nice:
The Crackpot Index
John Baez
A simple method for rating potentially revolutionary contributions to physics:
A -5 point starting credit.
1 point for every statement that is widely agreed on to be false.
2 points for every statement that is clearly vacuous.
3 points for every statement that is logically inconsistent.
5 points for each such statement that is adhered to despite careful correction.
5 points for using a thought experiment that contradicts the results of a widely accepted real experiment.
5 points for each word in all capital letters (except for those with defective keyboards).
5 points for each mention of "Einstien", "Hawkins" or "Feynmann".
10 points for each claim that quantum mechanics is fundamentally misguided (without good evidence).
10 points for pointing out that you have gone to school, as if this were evidence of sanity.
10 points for beginning the description of your theory by saying how long you have been working on it. (10 more for emphasizing that you worked on your own.)
10 points for mailing your theory to someone you don't know personally and asking them not to tell anyone else about it, for fear that your ideas will be stolen.
10 points for offering prize money to anyone who proves and/or finds any flaws in your theory.
10 points for each new term you invent and use without properly defining it.
10 points for each statement along the lines of "I'm not good at math, but my theory is conceptually right, so all I need is for someone to express it in terms of equations".
10 points for arguing that a current well-established theory is "only a theory", as if this were somehow a point against it.
10 points for arguing that while a current well-established theory predicts phenomena correctly, it doesn't explain "why" they occur, or fails to provide a "mechanism".
10 points for each favorable comparison of yourself to Einstein, or claim that special or general relativity are fundamentally misguided (without good evidence).
10 points for claiming that your work is on the cutting edge of a "paradigm shift".
20 points for emailing me and complaining about the crackpot index. (E.g., saying that it "suppresses original thinkers" or saying that I misspelled "Einstein" in item 8.)
20 points for suggesting that you deserve a Nobel prize.
20 points for each favorable comparison of yourself to Newton or claim that classical mechanics is fundamentally misguided (without good evidence).
20 points for every use of science fiction works or myths as if they were fact.
20 points for defending yourself by bringing up (real or imagined) ridicule accorded to your past theories.
20 points for naming something after yourself. (E.g., talking about the "The Evans Field Equation" when your name happens to be Evans.)
20 points for talking about how great your theory is, but never actually explaining it.
20 points for each use of the phrase "hidebound reactionary".
20 points for each use of the phrase "self-appointed defender of the orthodoxy".
30 points for suggesting that a famous figure secretly disbelieved in a theory which he or she publicly supported. (E.g., that Feynman was a closet opponent of special relativity, as deduced by reading between the lines in his freshman physics textbooks.)
30 points for suggesting that Einstein, in his later years, was groping his way towards the ideas you now advocate.
30 points for claiming that your theories were developed by an extraterrestrial civilization (without good evidence).
30 points for allusions to a delay in your work while you spent time in an asylum, or references to the psychiatrist who tried to talk you out of your theory.
40 points for comparing those who argue against your ideas to Nazis, stormtroopers, or brownshirts.
40 points for claiming that the "scientific establishment" is engaged in a "conspiracy" to prevent your work from gaining its well-deserved fame, or suchlike.
40 points for comparing yourself to Galileo, suggesting that a modern-day Inquisition is hard at work on your case, and so on.
40 points for claiming that when your theory is finally appreciated, present-day science will be seen for the sham it truly is. (30 more points for fantasizing about show trials in which scientists who mocked your theories will be forced to recant.)
50 points for claiming you have a revolutionary theory but giving no concrete testable predictions.
http://math.ucr.edu/home/baez/crackpot.html
CURRICULUM VITAE
John C. Baez Born: June 12, 1961 San Francisco, California EMPLOYMENT University of California at Riverside, Department of Mathematics. Full Professor, 1995-2007. As-sociate Professor, 1991-1995. On leave, visiting Wellesley College, 1990-1992. Assistant Professor,1988-1991.Taught: Applications of Mathematics without Calculus, First Year Calculus, Vector Calculus, Differ-ential Equations, Advanced Calculus, Foundations of Mathematics, Methods of Theoretical Physics,Mathematical Physics, Graduate Real Analysis, Graduate Complex Analysis, Graduate AlgebraicTopology, Quantum Theory and Analysis, Symbolic Computation, Low-Dimensional Topology andPhysics, Knots and Quantum Gravity, Quantum Gravity Seminar.Additional activities: Research. Served on Executive Committee, Committee on Preparatory Edu-cation, Library Committee, faculty hiring committees in mathematics and physics, and other com-mittees.Yale University, Department of Mathematics, Instructor, 1986-1988.Taught: Calculus of Several Variables, C∗-algebras and Physics, Nonlinear Wave Equations.Additional Activities: Research with National Science Foundation summer support, 1987-1988.EDUCATION Massachusetts Institute of Technology, Ph.D., mathematics, 1986.Honors: National Science Foundation Fellowship, 1982-1985.Princeton University, B.A., mathematics, 1982.Honors: Phi Beta Kappa.HONORSElected Fellow of the American Association for the Advancement of Science, 1999.Elected Member of the Foundational Questions Institute, 2007.
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CONFERENCES ORGANIZEDKnots and Quantum Gravity workshop, U. C. Riverside, May 14–16, 1993.Knots and Quantum Gravity session of the Seventh Marcel Grossmann Meeting on General Relativity, Stanford, July 26, 1994.Low-dimensional Topology and Quantum Gravity session of Workshop on Canonical and Quantum Gravity II, Stephan Banach Institute, Warsaw, May 26 – June 6, 1997.Low-dimensional Topology and Quantum Gravity session of Joint Mathematics Meetings, Bal-timore, January 7 – 8, 1998.n-Categories: Foundations and Applications, workshop at Institute for Mathematics and its Applications, Minnesota, June 7–18, 2004.Higher Categories and Their Applications, workshop as part of the Thematic Program on Geometric Applications of Homotopy Theory, Fields Institute, Toronto, January 9-13, 2007.BOOKSAn Introduction to Algebraic and Constructive Quantum Field Theory, with Irving Segal and Zhengfang Zhou, Princeton University Press, 1992.Knots and Quantum Gravity, editor, Oxford University Press, 1994.Gauge Fields, Knots, and Gravity, with Javier Muniain, World Scientific Press, 1994.PAPERS Recursivity in quantum mechanics, Trans. Amer. Math. Soc. 280 (1983), 339-350.Conformally invariant quantum fields, doctoral dissertation, advisor Irving Segal, Massachusetts Institute of Technology, May 1986.Bell’s inequality for C-algebras, Lett. Math. Phys. 13 (1987), 135–136.Is life improbable?, Found. Phys. 19 (1989), 91–95.The global Goursat problem on R×S1, with Zhengfang Zhou, Jour. Funct. Analysis 83 (1989),364–382.Scattering and the geometry of the solution manifold of ⊓⊔f + λf3= 0, Jour. Funct. Analysis83 (1989), 317–332.Analyticity of scattering for the φ4theory, with Zhengfang Zhou, Comm. Math. Phys. 124(1989), 9–21.Scattering for the Yang-Mills equations, Trans. Amer. Math. Soc. 315 (1989), 823–832.Wick products of the free Bose field, Jour. Funct. Analysis 86 (1989), 211–225.Scattering and complete integrability in conformally invariant nonlinear theories, Jour. Math.Phys. 31 (1990), 757–762.The global Goursat problem and scattering for nonlinear wave equations, with Irving Segal andZhengfang Zhou, Jour. Funct. Analysis 93 (1990), 239–269.Conserved quantities for the Yang-Mills equations, Adv. Math. 82 (1990), 126–131.Scattering and complete integrability in the massive φ4theory, with Zhengfang Zhou, Jour.Funct. Analysis 94 (1990), 397–414.Topological lower bound on the energy of a twisted rod, with Rossen Dandoloff, Phys. Lett. A155 (1991), 145–147.The vacuum and lightcone quantization of interaction Hamiltonians, Lett. Math. Phys. 21(1991), 117–121.Differential calculi on quantum vector spaces with Hecke-type relations, Lett. Math. Phys. 23(1991), 133–141.Renormalized oscillator Hamiltonians, with Zhengfang Zhou, Adv. Math. 92 (1992), 106–127.On quantum fields satisfying a given wave equation, with Zhengfang Zhou, Jour. Funct. Analysis106 (1992), 439–453.
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On the Hopf term in a 2-dimensional sigma model for antiferromagnets, with Alan Bishop andRossen Dandoloff, Mod. Phys. Lett. B 5 (1991), 2003–2005.R-commutative geometry and quantization of Poisson algebras, Adv. Math. 95 (1992), 61–91.Scattering and complete integrability in four dimensions, in Mathematical Aspects of ClassicalField Theory, eds. Mark Gotay, Jerrold Marsden and Vincent Moncrief, Contemp. Math. 132,American Mathematical Society, Providence, Rhode Island, 1992, pp. 99–116.Link invariants of finite type and perturbation theory, Lett. Math. Phys. 26 (1992), 43–51.Quantum gravity and the algebra of tangles, Class. Quantum Grav. 10 (1993), 673–694.An algebraic approach to discrete mechanics, with James Gilliam, Lett. Math. Phys. 31 (1994),205–212.Generalized measures in gauge theory, Lett. Math. Phys. 31 (1994), 213–223.Diffeomorphism-invariant generalized measures on the space of connections modulo gauge trans-formations, in Proceedings of the Conference on Quantum Topology, ed. David N. Yetter, WorldScientific Press, Singapore, 1994, pp. 21–43.Strings, loops, knots and gauge fields, in Knots and Quantum Gravity, ed. J. Baez, Oxford U.Press, Oxford, 1994, pp. 133–168.Hochschild homology in a braided tensor category, Trans. Amer. Math. Soc. 344 (1994), 885–906.Strings and two-dimensional QCD for finite N, with Washington Taylor IV, Nucl. Phys. B 426(1994), 53–70.Link invariants, holonomy algebras and functional integration, Jour. Funct. Analysis 127 (1995),108–131.Topological aspects of spin and statistics of solitons in nonlinear sigma-models, with MichaelOdy and William Richter, Jour. Math. Phys. 36 (1995), 108–131.Higher-dimensional algebra and topological quantum field theory, with James Dolan, Jour.Math. Phys. 36 (1995), 6073–6105.Quantum gravity hamiltonian for manifolds with boundary, with Javier P. Muniain and DardoPıriz, Phys. Rev. D 52 (1995), 6840–6845.Spin networks in gauge theory, Adv. Math. 117 (1996), 253–272.Spin networks in nonperturbative quantum gravity, in The Interface of Knots and Physics, ed.Louis Kauffman, American Mathematical Society, Providence, Rhode Island, 1996, pp. 167–203.Four-dimensional BF theory as a topological quantum field theory, Lett. Math. Phys. 38 (1996),129–143.Knots and quantum gravity: progress and prospects, in Proceedings of the Seventh MarcelGrossman Meeting on General Relativity, ed. Robert T. Jantzen and G. Mac Keiser, World ScientificPress, Singapore, 1996, pp. 779–797.Higher-dimensional algebra I: braided monoidal 2-categories, with Martin Neuchl, Adv. Math.121 (1996), 196–244.An introduction to n-categories, 7th Conference on Category Theory and Computer Science,eds. E. Moggi and G. Rosolini, Springer Lecture Notes in Computer Science vol. 1290, Springer,Berlin, 1997, pp. 1–33.Higher-dimensional algebra II: 2-Hilbert spaces, Adv. Math. 127 (1997), 125–189.Functional integration on the space of connections, with Stephen Sawin, Jour. Funct. Analysis50 (1997), 1–27.2-Tangles, with Laurel Langford, Lett. Math. Phys. 43 (1998), 187–197.Quantum geometry and black hole entropy, with Abhay Ashtekar, Alejandro Corichi and KirillKrasnov, Phys. Rev. Lett. 80 (1998), 904–907.Higher-dimensional algebra III: n-categories and the algebra of opetopes, with James Dolan,Adv. Math. 135 (1998), 145–206.Spin foam models, Class. Quantum Grav. 15 (1998), 1827–1858.Degenerate solutions of general relativity from topological field theory, Commun. Math. Phys.193 (1998), 219–231.
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Diffeomorphism-invariant spin network states, with Stephen Sawin, Jour. Funct. Analysis 158(1998), 253–266.Quantization of diffeomorphism-invariant theories with fermions, with Kirill Krasnov, Jour.Math. Phys. 39 (1998), 1251–1271.Categorification, with James Dolan, in Higher Category Theory, eds. Ezra Getzler and MikhailKapranov, Contemp. Math. 230, American Mathematical Society, Providence, Rhode Island, 1998,pp. 1–36.The quantum tetrahedron in 3 and 4 dimensions, with John Barrett, Adv. Theor. Math. Phys.3 (1999), 815–850.An introduction to spin foam models of BF theory and quantum gravity, in Geometry andQuantum Physics, eds. Helmut Gausterer and Harald Grosse, Lecture Notes in Physics, Springer,Berlin, 2000, pp. 25–93.From finite sets to Feynman diagrams, with James Dolan, in Mathematics Unlimited - 2001and Beyond, vol. 1, eds. Bjorn Engquist and Wilfried Schmid, Springer, Berlin, 2001, pp. 29–50.Higher-dimensional algebra and Planck-scale physics, in Physics Meets Philosophy at the PlanckLength, eds. Craig Callender and Nick Huggett, Cambridge U. Press, Cambridge, 2001, pp. 177–195.Quantum geometry of isolated horizons and black hole entropy, with Abhay Ashtekar and KirillKrasnov, Adv. Th. Math. Phys. 4 (2001), 1–94.Integrability for relativistic spin networks, with John Barrett, Class. Quantum Grav. 18 (2001),4683–4700.The octonions, Bull. Amer. Math. Soc. 39 (2002), 145–205.Positivity of spin foam amplitudes, with J. Daniel Christensen, Class. Quantum Grav. 19 (2002),2291–2306.Spin foam models of Riemannian quantum gravity, with J. Daniel Christensen, Thomas R.Halford and David C. Tsang, Class. Quantum Grav. 19 (2002), 4627–4648.Uncertainty in measurements of distance, with S. Jay Olson, Class. Quantum Grav. 19 (2002),L121–L125.Asymptotics of 10j symbols, with J. Daniel Christensen and Greg Egan, Class. Quantum Grav.19 (2002), 6489–6513.Spin foam perturbation theory, in Diagrammatic Morphisms and Applications, eds. David Rad-ford, Fernando Souza, and David Yetter, Contemp. Math. 318, American Mathematical Society,Providence, Rhode Island, 2003, pp. 9–21.The quantum of area?, Nature 421 (2003), 702–703.Higher-dimensional algebra IV: 2-tangles, with Laurel Langford, Adv. Math. 180 (2003), 705–764.Higher-dimensional algebra V: 2-groups, with Aaron D. Lauda, Th. Appl. Cat. 12 (2004), 423–491.Higher-dimensional algebra VI: Lie 2-algebras, with Alissa S. Crans, Th. Appl. Cat. 12 (2004),492–528.On Quaternions and Octonions: Their Geometry, Arithmetic, and Symmetry, by John H.Conway and Derek A. Smith, review in Bull. Amer. Math. Soc. 42 (2005), 229–243.The meaning of Einstein’s equation, with Emory F. Bunn, Amer. Jour. Phys. 73 (2005), 644–652.Quantum quandaries: a category-theoretic perspective, in Structural Foundations of QuantumGravity, eds. Steven French, Dean Rickles and Juha Saatsi, Oxford U. Press, Oxford, 2006, pp.240–265.Higher gauge theory, with Urs Schreiber, in Categories in Algebra, Geometry and Mathemat-ical Physics, eds. Alexei Davydov, Michael Batanin, Michael Johnson, Stephen Lack and AmnonNeeman, Contemp. Math. 431, American Mathematical Society, Providence, Rhode Island, 2007,pp. 7–30.Quantization of strings and branes coupled to BF theory, with Alejandro Perez, Adv. Theor.Math. Phys. 11 (2007), 1–19.
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From loop groups to 2-groups, with Alissa S. Crans, Danny Stevenson and Urs Schreiber,Homotopy, Homology, and Appl. 9 (2007), 101–135.Exotic statistics for strings in 4d BF theory, with Alissa S. Crans and Derek Wise, Adv. Theor.Math. Phys. 11 (2007), 707–749.Lectures on n-categories and cohomology, with Michael Shulman, to appear in n-Categories:Foundations and Applications, eds. John Baez and Peter May.The classifying space of a topological 2-group, with Danny Stevenson, to appear in proceedingsof the 2007 Abel Symposium.Physics, topology, logic and computation: a Rosetta Stone, with Mike Stay, to appear in NewStructures of Physics, ed. Bob Coecke.RECENT INVITED LECTURES“Simplicial Quantum Geometry,†CUNY Graduate School and University Center, March 2000.“From Finite Sets to Feynman Diagrams,†University of Memphis, April 2000.“Quantum Geometry and Black Hole Entropyâ€, 13th International Congress on MathematicalPhysics, Imperial College, London, July 2000.“n-Categorical Physicsâ€, Department of Physics, University of California, Santa Barbara, Oc-tober 2000.“n-Categorical Physicsâ€, American Mathematical Society Meeting, San Francisco State Univer-sity, October 2000.“Spin Networks, Spin Foams and Quantum Gravityâ€, Department of Physics, University ofWisconsin, Milwaukee, February 2001.“The Meaning of Relativityâ€, Departments of Mathematics and Physics, University of Wiscon-sin, Milwaukee, February 2001.“Spin Networks in Canonical Quantum Gravity†and “The Quantum Tetrahedronâ€, Departmentof Mathematics, Pennsylvania State University, March 2001.“Lorentzian Spin Networksâ€, Center for Gravitational Physics and Geometry, PennsylvaniaState University, March 2001.“The Meaning of Einstein’s Equation,†Physics Department, University of Texas at Brownsville,April 2001.“Real Numbers, Complex Numbers, Quaternions and Octonions,†Mathematics Department,Calfornia State San Bernardino, May 2001.“New Developments in Canonical Quantum Gravity,†plenary talk, 9th Canadian Conferenceon General Relativity and Relativistic Astrophysics, Edmonton, Canada, May 2001.“Discrete Riemannian Geometry and Gauge Theory†(4 lectures), Graphs and Patterns in Math-ematics and Theoretical Physics, a conference at SUNY Stony Brook in honor of Dennis Sullivan’s60th birthday, June 2001.“Categorification and Computation,†Conference on Algebraic Topological Methods in Com-puter Science, Stanford University, July 2001.“Normed Division Algebras: A Categorical Perspective,†Category Theory Seminar, Depart-ment of Pure Mathematics and Mathematical Statistics, Cambridge University, August 2001.“Spin Foam Models of Quantum Gravity,†conference on Discrete Random Geometries andQuantum Gravity, Spinoza Institute, Utrecht, October 2001.“n-Categories in Algebraic Topologyâ€, Algebraic Topology Seminar, Mathematics Department,University of Chicago, March 2002.“The World of n-Categoriesâ€, Mathematics Department, University of Chicago, March 2002.“Quantum Riemannian Geometry and Gauge Theory†(6 hours of lectures), Korea Institute ofAdvanced Studies, Seoul, March 2002.“The World of n-Categoriesâ€, Mathematics Department, University of California, Santa Cruz,April 2002.
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“n-Categories in Homology Theoryâ€, Workshop on Nonabelian Hodge Theory and Higher Cat-egories, Mathematical Sciences Research Institute, April 2002.“Categorified Gauge Theory,†Joint Meeting of the Pacific Northwest Geometry Seminar andCascade Topology Seminar, University of Washington, Seattle, May, 2002.“n-Categories and Homotopy Theory†(5 lectures), Department of Pure Mathematics and Math-ematical Statistics, Cambridge University, July, 2002.“The Vector Cross Product in Dimensions 0, 1, 3 and 7â€, Department of Mathematics, GeorgeWashington University, September 2002.“Building Spacetime from Spinâ€, Dirac Centenary Conference, Baylor University, Texas, Octo-ber 2002.“Higher-Dimensional Algebra and Quantum Gravityâ€, Philosophy of Science Association, Mil-waukee, November 2002.“The Vector Cross Product in Dimensions 0, 1, 3 and 7â€, Department of Mathematics, Univer-sity of California, San Diego, December 2002.“Categorified Lie Algebras and Lie Groupsâ€, Algebra Mini-Conference, Department of Mathe-matics, University of New South Wales, Australia, January 2003.“A Categorical Approach to Division Algebrasâ€, Australian Category Seminar, Department ofMathematics, Macquarie University, Australia, January 2003.“Categorifying Quantum Mechanics†(4 lectures), Australian Category Seminar, MathematicsDepartment, Macquaries University and University of Sydney, Australia, February 2003.“The Octonionsâ€, Pure Mathematics Department, University of Adelaide, Australia, February2003.“Lie 2-Groups and Lie 2-Algebrasâ€, Pure Mathematics Department, University of Adelaide,Australia, February 2003.“From the Octonions to E8â€, Mathematics Department, University of Western Ontario, London,Canada, March 2003.“New Directions in Spin Foam Theoryâ€, Spin Foam Seminar, Perimeter Institute of TheoreticalPhysics, Waterloo, Canada, March 2003.“Categorified Gauge Theoryâ€, Perimeter Institute of Theoretical Physics, Waterloo, Canada,March 2003.“Quantum Geometry and Its Applicationsâ€, plenary talk at Gravitation: a Decennial Perspec-tive, conference at the Center of Gravitational Physics and Geometry, Pennsylvania State University,June 2003.“Categorified Lie Groups, Lie Algebras, Bundles and Connectionsâ€, plenary talk at the Work-shop on Higher-Order Geometry and Categorification, Superior Tecnico, Lisbon, Portugal, July2003.“Struggles with the Continuumâ€, plenary talk at the Young Researcher’s Symposium of theICMP, Instituto Superior Tecnico Lisbon, Portugal, July 2003.“Euler Characteristic versus Homotopy Cardinalityâ€, Fields Institute Program on Applied Ho-motopy Theory, University of Western Ontario, London, Ontario, September 2003.“Categorificationâ€, Workshop on the Ramifications of Category Theory, a conference at theUniversity of Florence in honor of F. William Lawvere’s 60th birthday, Florence, Italy, November2003.“Spin Foam Modelsâ€, talk at Nonperturbative Quantum Gravity: Loops and Spin Foams, CentreInternationale de Recontres Mathematiques, Luminy, Marseille, May 2004.“Why n-Categories?â€, “What n-Categories Should be Likeâ€, and “Space and State, Spacetimeand Processâ€, n-Categories: Foundations and Applications, IMA, Minneapolis, June 2004.“n-Categorical Physicsâ€, 4 lectures at the Department of Applied Mathematics and TheoreticalPhysics, Cambridge University, England, July 2004.“Loop Quantum Gravity, Quantum Geometry and Spin Foamsâ€, plenary talk at the 17th Con-ference of the International Society of General Relativity and Gravitation (GR-17), Dublin, Ireland,July 2004.
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“The Problem of Dynamics in Quantum Gravityâ€, Workshop on Quantum Gravity in the Amer-icas, Perimeter Institute, Waterloo, Ontario, Canada, October 2004.“Categorified Gauge Theoryâ€, lecture at Arithmetic, Geometry and Topology, a conference inhonor of Larry Breen’s 60th birthday, Institute Galilee, Universitee Paris 13, France, December 2004.“Loop Quantum Gravityâ€, plenary talk at the ACM-SIAM Symposium on Discrete Algorithms(SODA), Vancouver, British Columbia, January 2005.“From Loop Groups to 2-Groupsâ€, Algebra Seminar, Mathematics Department of the Universityof California at Irvine, May 2005.“The Mysteries of Counting: Euler Characteristic Versus Homotopy Cardinalityâ€, public lectureat Categories in Algebra, Geometry and Mathematical Physics, a conference in honor of Ross Street’s60th birthday, Sydney, Australia, July 2005.“Higher Gauge Theoryâ€, two talks at Categories in Algebra, Geometry and MathematicalPhysics, a conference in honor of Ross Street’s 60th birthday, Sydney and Canberra, Australia,July 2005.“Higher Gauge Theory, Homotopy Theory and n-Categoriesâ€, four lectures at a graduate sum-mer school on Topics in Homotopy Theory at the Pacific Institute of Mathematical Sciences, Calgary,Canada, August 2005.“Higher Gauge Theory: 2-Connectionsâ€, plenary talk at the Union College Mathematics Con-ference, Union College, Schenectady, New York, December 2005.“Universal Algebra and Diagrammatic Reasoningâ€, nine lectures at Geometry of Computation2006, Centre International de Recontres Mathematiques, Marseille, France, February 2006.“Fundamental Physics: Where We Stand Todayâ€, Faculte des Sciences de Luminy, Marseille,France, February 2006.“Loop Quantum Gravityâ€, Physics Department of California State University, Long Beach,March 2006.“Higher Gauge Theory, Higher Categoriesâ€, three lectures, 24th annual Unni Namboodiri Lec-tures in Geometry and Topology, University of Chicago, April 2006.“n-Categories and Cohomologyâ€, three talks in the Category Theory Seminar, Department ofMathematics, University of Chicago, April 2006.“Higher Gauge Theoryâ€, three lectures, 2006 Barrett Lectures, University of Tennessee,Knoxville, April 2006.“Higher-Dimensional Algebra: a Language for Quantum Spacetimeâ€, Perimeter Institute, Wa-terloo, Canada, May 2006.“Fundamental Physics: Where We Stand Todayâ€, Department of Physics, University of WesternOntario, June 2006.“Tales of the Dodecahedronâ€, Reese Prosser Memorial Lecture, Mathematics Department, Dart-mouth College, November 2006.“Higher Gauge Theoryâ€, joint physics/mathematics colloquium, Louisiana State University,November 2006.“Higher Gauge Theoryâ€, Mathematics Department, Stanford University, December 2006.“The Homotopy Hypothesisâ€, lecture at Higher Categories and Their Applications, Fields In-stitute, Toronto, January 2007.“Quantum Quandaries: a Category-Theoretic Perspectiveâ€, lecture at Philosophical and FormalFoundations of Modern Physics, Les Treilles, France, April 2007.“Cartan Geometry and MacDowell-Mansouri Gravity: the Work of Derek Wiseâ€, lecture at theAstroParticule et Cosmologie (APC) group at Universite Paris 7, July 2007.“Why Mathematics is Boringâ€, lecture at Mathematics and Narrative, Delphi, July 2007.“Higher Gauge Theory and Elliptic Cohomologyâ€, lecture at the 2007 Abel Symposium, Oslo,August 2007.“Higher Gauge Theory and the String Groupâ€, lecture at Poisson Geometry and Sigma Models,Erwin Schrodinger Institut, Vienna, August 2007.“2-Hilbert Spacesâ€, London Analysis and Probability Seminar, University College, London,September 2007.
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“Higher Gauge Theory and the String Groupâ€, plenary talk, 22nd British Topology Meeting,Sheffield University, Sheffield, England, September 2007.“Spans in Quantum Theoryâ€, keynote talk at Deep Beauty: Mathematical Innovation and theSearch for an Underlying Intelligibility of the Quantum World, Princeton University, October 2007.“Fundamental Physics: Where We Stand Todayâ€, James Madison University, Harrisonburg,Virgina, November 2007.