Comprehensive List of Talks

Last updated (July 2017) total count: 119

* = scheduled

2017

  • Nov Indianapolis, IN.Invertible Topological Field Theories (IU/PU/IUPUI Joint Topology Seminar)
  • Oct Columbus, OH.The structure of tensor categories via 3-dimensional topology (quantum algebra/quantum topology seminar)
  • Aug. South Bend. 2-Dimensional Topological Field Theories and Commutative Frobenius Algebra. RTG Geometry/Topology summer workshop for undergraduates
  • June Regensburg, Germany. Parallels between transchromatic character theory and QFT dimensional reduction (transchromatic homotopy theory conference)
  • May Chicago, IL. The structure of tensor categories via 3-dimensional topology (University of Chicago Topology Seminar)
  • April South Bend, IN. The algebraic K-theory of manifolds via manifolds (Notre Dame Topology Seminar)
  • March Berkeley, CA. Extended topological field theories in low dimensions (UC Berkeley Topology seminar)
  • March Berkeley, CA. Pontryagin-Thom as a bridge from homotopy to (higher) categories (UC Berkeley Topology pre-seminar)

2016 (10 talks)

  • Sept. South Bend. Tori detect invertible topological Field Theories.
  • Sept. Lafayette, Indiana. Tori detect invertible topological field theories (Midwest Topology Seminar at Purdue)
  • May-June Bonn, Germany. The Cobordism Hypothesis (4 lectures as part of a seminar series).
  • May Oberwolfach, Germany. Extensions of Bordism Categories.
  • May Athens, GA, USA. From 2-Morse functions to presentations (Georgia Topology Conference on Parameterized Morse Theory)
  • March Bonn, Germany. Higher Categorical Structures from 3D Topological Field Theories (Closing conference for semester on Higher Structures)
  • Jan. South Bend, IN, USA. Topological Field Theories (Colloquium Talk)

2015 (7 talks)

  • Nov. Paris, France. Non-semisimple extended topological field theories (Paris 7)
  • Oct. Oxford, England. Extended topological field theory in dimension three. (Clay workshop, Manifolds Unlocking Higher Structures)
  • July Aarhus, Denmark. Extended topological field theory in dimension three (New developments in TQFT)
  • July Bonn, Germany. Extended 3-dimensional topological field theories (Special Oberseminar)
  • June Porto, Portugal. Extended 3-dimensional topological field theories (AMS-EMS-SPM)
  • June Bonn, Germany. Extended 3-dimensional topological field theories (Workshop on homotopy theory, manifolds, and field theories).
  • March. Oberwolfach (Subfactors and Conformal Field Theory)

2014 (12 talks)

  • Nov. Oxford, England. Extended 3-dimensional topological field theories. (Topology Colloquium)
  • Oct. Geneva. Extended 3D TQFTs. (Higher Structures 2014)
  • Sept. Oberwolfach, Germany. Rational Homotopy Theory via Quantum Field Theory (Topologie)
  • May. Cambridge, England. Classifying 3-dimensional TQFTs via generators and relations (Geometry and Topology seminar)
  • April. MSRI Berkeley, CA. TBD (Reimagining the foundations of algebraic topology).
  • March. BIRS Banff, Canada. From Higher Morse Theory to the cobordism hypothesis (Parameterized Morse Theory in Low-Dimensional and Symplectic Topology (14w5119))
  • March. Erlangen, Germany. Structures on tensor categories inspired by local topological field theory (Structures on Tensor Categories and Topological Field Theories, Lecture Series 6 hours, 6 lectures).
  • Feb. ESI Vienna, Austria. Extended Topological Field Theories and Tensor Categories (Modern Trends in Topological Field Theories)

2013 (8 talks)

  • Dec. Luxembourg. String connections and torsion (Higher Lie Theory).
  • April. Osnabrueck, Germany. The structure of fusion tensor categories via topological
    field theory. NRW-Topology
  • Mar. Bad Boll, Germany. The structure of tensor categories from 3-dimensional topology (Plenary Lecture, Annual meeting of DFG priority program (SPP 1388) in representation theory)
  • Jan. Hamburg, Germany. The structure of tensor categories from 3-dimensional topology. (Colloquium Talk).
  • Jan. Hamburg, Germany. Dualizability in Low-Dimensional Higher Category Theory (Lecture series 6 hours, 4 lectures)

2012 (15 talks)

  • Dec. Nijmegen, The Netherlands. The structure of tensor categories via 3D topological field theories and topology. (Higher structures on the lower Rhine II).
  • Nov. Bonn, Germany. On the Unicity of the Homotopy Theory of Higher Categories. (Uni Bonn topology colloquium)
  • Sept. Oberwolfach, Germany. The Structure of Tensor Categories via Local Topological Field Theories and Higher Categories. (Topologie)
  • Aug. Bochum, Germany. A Finite Dimensional Model of the String Group (Strings and Automorphic Forms in Topology)
  • July. Luminy, France. On the Uniqueness of the Homotopy Theory of Higher Categories. (CATS4 conference)
  • June. Notre Dame University. On the Uniqueness of the Homotopy Theory of Higher Categories. (Thematic program on topology and field theories).
  • May. Notre Dame University. Dualizability in Low-Dimensional Higher Category Theory (Mini Course (4 lectures)). (Thematic program on topology and field theories).
  • May. Wesleyan (Topology Seminar). The Structure of fusion categories.
  • March. Notre Dame University (Topology Seminar). On the Uniqueness of the Homotopy Theory of Higher Categories
  • March. U. Chicago (Topology Seminar). On the Uniqueness of the Homotopy Theory of Higher Categories
  • March. Northwestern (Topology Seminar). On the Uniqueness of the Homotopy Theory of Higher Categories
  • Jan. Joint Mathematics Meetings (Boston). On the Uniqueness of the Homotopy Theory of Higher Categories

2011 (21 talks)

  • Dec. Harvard University, Conformal Net Seminar). Invertible Conformal Nets
  • Nov. Yale (Algebraic Geometry Seminar). 3-Dimensional Dualizability and the Structure of Fusion Categories
  • Nov. Harvard University (Conformal Net Seminar). The Free Fermion Net
  • Nov. Mills College, The M\”obius Band (Mills College Math Club Student Chapter of the AWM). Tic-Tac-Toe on a Torus! (Undergraduate seminar)
  • Nov. UC Berkeley (Topology, Geometry, and Operator Algebras Seminar). The uniqueness of the homotopy theory of higher categories
  • Nov. Stanford (Topology Seminar). The Structure of Fusion Categories via Local Topological Field Theories
  • Oct. MIT (Topology Seminar). On the Uniqueness of the Homotopy Theory of Higher Categories
  • July. MIT (QFT Seminar). Turaev-Viro TQFTs via planar algebras
  • June. Ruhr-Universit\”at, Bochum (Topology Seminar). Extensions of 2-Groups and a Finite Dimensional String Group
  • June. University of Copenhagen (Topology Seminar). The Structure of Fusion Categories via Topological Quantum Field Theories
  • May. Hamburg, Germany, Higher Structures in Topology and Geometry V. The Structure of Fusion Categories via Topological Quantum Field Theories
  • April. University of Pensilvania (Deformation Theory Seminar). The Structure of Fusion Categories via Topological Quantum Field Theories
  • April. Columbia University (Symplectic Geometry, Gauge Theory, and Categorification Seminar). The Structure of Fusion Categories via Topological Quantum Field Theories
  • April. Notre Dame, Colloquium. The Structure of Fusion Categories via Topological Quantum Field Theories
  • April. Chicago, Midwest Topology Seminar. Dualizability and Locality in 3D Topological Field Theory
  • Feb. Lisbon, Portugal, Workshop and School on Higher Gauge Theory, TQFT and Quantum Gravity. Two-Dimensional Extended Topological Field Theories (6 hours Mini-course lectures)
  • Jan. UT Austin (GADGET). The space of framed Morse functions is contractible, after S. Galatius
  • Jan. UT Austin (Geometry Seminar).Dualizability and Locality in 3D Topological Field Theory

2010 (6 talks)

  • Nov. MIT (Geometry and Topology Seminar). Classifying Extended Topological Field Theories in Low Dimensions
  • Sept. MIT (Topology Seminar). Dualizability and Locality in 3D Topological Field Theory
  • May. MIT (Baby Topology Seminar). 2-Groups and 2-Group Cohomology
  • March. Notre Dame (Topology Seminar). Homological Algebra for Bicategories (with applications to the String Group)
  • March. U. Illinois Urbana-Champaign (Mathematical Physics Seminar). Classifying Local Topological Field Theories in Low Dimensions
  • Jan. Berkeley, Topology and Quantization (FRG). Homological Algebra in Dimension Two (With Applications to the String Group)

2009 (13 talks)

  • Dec. Boston University (Geometry Seminar). Classifying Local Topological Field Theories in Low Dimensions
  • Nov. MIT (Juvi-Topology Seminar). Topological Cyclic Homology and Friends
  • Oct. Northwestern (Geometry and Physics Seminar). Classifying Local Topological Field Theories in Low Dimensions
  • Sept. MIT (Topology Seminar). Extensions of 2-Groups and a Finite Dimensional String Group
  • Sept. Harvard, Topology and Quantization (FRG). Classifying Local Topological Field Theories in Low Dimensions)
  • July. Georg-August Universit\”at, G\”ottingen. A Finite Dimensional String Group and Extensions of Topological 2-Groups
  • July. Max-Planck Institute for Mathematics (Algebra, Geometry and Physics Seminar). Classifying Local Topological Field Theories in Low Dimensions
  • June. Oberwolfach, Strings, Fields, and Topoogy. D-Branes, Defects, and Natural Transformations of Topological Field Theories
  • May. UC Berkeley. D-Branes, Defects and Natural Transformations of Topological Field Theories
  • April. Notre Dame (Topology Seminar) Classifying Extended Topological Field Theories in Low Dimensions
  • April. UC Berkeley. Classifying Extended Topological Field Theories in Low Dimensions
  • Feb. UC Berkeley (Hot Topics Seminar). Complete Segal Spaces and $(\infty, n)$-Categories after Jacob Lurie (2 Talks)

2008 (6 talks)

  • Dec. UC Berkeley (Subfactor Seminar). An Introduction to TQFTs via Planar Algebras
  • Sept-Oct. UC Berkeley. A Finite Dimensional String Group (3 lectures)
  • Sept. UC Berkeley. Topological Group Cohomology
  • June. Hausdorff Research Institute, Bonn (Special Seminar). Classification of Extended 2D TQFTs

2007 (9 talks)

  • Nov. UC Berkeley. Functors for Bicategories
  • Oct. UC Berkeley (Hot Topics Seminar). $A_\infty$-Categories and TCFTs.
  • Oct. Notre Dame (Topology Seminar). Two-Dimensional Topological Quantum Field Theories
  • Oct. UC Berkeley. Bicategories
  • Sept. UC Berkeley. Two-Dimensional Topological Quantum Field Theories
  • Aug. Kahului, Subfactors in Maui. What is an n-Category?
  • April. Oberwolfach, Arbeitsgemeinschaft: Algebraic Structures in Conformal Field Theory. Subfactors and TQFTs
  • March. UC Berkeley (Subfactors Seminar). Subfactors and 2+1 TQFTs
  • Feb. UC Berkeley (Topology Seminar). What is an $N$-Category?

2006 (total up to this point = 7 talks)

  • Nov. UC Berkeley. Spectral Schemes and Spectral Stacks
  • Feb. UC Berkeley. The Classification of Holonomy Groups (2 Lectures)

2005

  • Nov. UC Berkeley. Examples of CFTs via Lattices
  • Oct. UC Berkeley. Conformal Field Theory

2004

  • Oct. UC Berkeley. Calibrated Geometry and Spinors

2001

  • Nov. San Diego, Joint Meetings. Examples of Cayley Manifolds in $\mathbb{R}^8$ (as an undergraduate)