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Workshop on Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras

Harvard CMSA via YouTube

Overview

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Attend a comprehensive two-week workshop exploring the intersection of quantum field theory, topological phases, homotopy theory, and operator algebras through a unique twinned format between Harvard CMSA and the Max Planck Institute for Mathematics in Bonn. Participate in pedagogical lecture series during the first week featuring renowned experts Michael Hopkins (Harvard), Alexei Kitaev (Caltech), Pieter Naaijkens (Cardiff), and Bruno Nachtergaele (UC Davis), covering topics from lattice models and topological quantum field theories to quantum entanglement in many-body systems and superselection sector theory. Engage with cutting-edge research presentations in the second week addressing mathematical puzzles from entanglement bootstrap, classification of extended conformal field theories, invertible phases, non-invertible symmetries, holography for topological order, defects in quantum phases, and categorical approaches to topological quantum field theories. Experience simultaneous lectures broadcast between both locations with opportunities for cross-continental dialogue, covering advanced topics including C*-categorical prefactorization algebras, frustration-free models, fracton orders, Kapustin-Kitaev cobordism conjecture, and quantizing homotopy types. Explore the mathematical foundations connecting quantum many-body physics with algebraic topology through presentations on reflection positivity, chiral symmetries on lattices, Berry curvature in coarse geometry, and moduli spaces of projective TQFTs.

Syllabus

Bowen Shi | Mathematical Puzzles from the Entanglement Bootstrap: On Immersions and regular homotop
Dmitri Pavlov | The classification of two-dimensional extended conformal field theories
Eric Roon | Finitely Correlated States Driven by Topological Dynamics
Roman Geiko | Omega-spectrum of stabilizer invertible phases
Carolyn Zhang | SymTFT approach for (non-)invertible symmetries of mixed states
Ben Gripaios | Locality and smoothness of QFTs
Markus Pflaum | A tour d’horizon through homotopical aspects of C*-algebraic quantum spin systems
Greg Moore | p-form puzzles
Christoph Schweigert | Tensor network states: a topological field theory perspective
David Penneys | Holography for bulk-boundary local topological order
Ilka Brunner | Defects as functors between phases of Abelian gauged linear sigma models
Nikita Sopenko | Reflection positivity and invertible phases of 2d quantum many-body systems
Lukasz Fidkowski | Non-invertible bosonic chiral symmetry on the lattice
Alexander Schenkel | C*-categorical prefactorization algebras for superselection sectors...
Emil Prodan | Mapping the landscape of frustration-free models
João Faria Martins | A categorification of Quinn’s finite total homotopy TQFT ...
Agnes Beaudry | An algebraic theory of planon-only fracton orders
David Reutter | On the categorical spectrum of topological quantum field theories
Theo Johnson Freyd | Some thoughts about the Kapustin–Kitaev cobordism conjecture
Matthias Ludewig | Generalized Kitaev Pairings and Higher Berry curvature in coarse geometry
Constantin Teleman | Quantizing homotopy types
Jackson van Dyke | Moduli spaces of projective 3d TQFTs
Alexei Kitaev | Local definitions of gapped Hamiltonians and topological and invertible states IV
Pieter Naajkens | Classification of phases and long-range entanglement
Michael Hopkins | Lattice models and topological quantum field theories IV
Bruno Nachtergaele | Quantum Phase Diagrams: order parameters, topological invariants, examples
Alexei Kitaev | Local definitions of gapped Hamiltonians and topological and invertible states III
Pieter Naajkens | Building the braided (fusion) category of superselection sectors II
Mike Hopkins | Lattice models and topological quantum field theories III
Bruno Nachtergaele | Quantum Entanglement in many-body systems II
Mike Hopkins | Lattice models and topological quantum field theories I
Alexei Kitaev | Local definitions of gapped Hamiltonians and topological and invertible states II
Pieter Naajkens | Building the braided (fusion) category of superselection sectors I
Mike Hopkins | Lattice models and topological quantum field theories II
Bruno Nachtergaele | Quasilocality: almost local observables & interactions, Lieb-Robinson bounds...
Alexei Kitaev | Local definitions of gapped Hamiltonians and topological and invertible states I
Pieter Naajkens | Introduction to superselection sector theory
Bruno Nachtergaele | Quantum Lattice Systems

Taught by

Harvard CMSA

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