Urs Schreiber

Subjects

Algebraic topology, Algebraic topology -- Homology and cohomology theories -- Elliptic cohomology, Category theory; homological algebra -- Categories with structure -- Double categories, $2$-categories, bicategories and generalizations, Category theory; homological algebra -- Categories with structure -- Operads, Congresses, Mathematics, Mechanics of particles and systems -- Classical field theories -- Lagrangian formalism and Hamiltonian formalism, Quantum field theory, Quantum theory, Quantum theory -- Quantum field theory; related classical field theories -- Axiomatic quantum field theory; operator algebras, Quantum theory -- Quantum field theory; related classical field theories -- String and superstring theories; other extended objects (e.g., branes), Quantum theory -- Quantum field theory; related classical field theories -- Supersymmetric field theories, Quantum theory -- Quantum field theory; related classical field theories -- Topological field theories, Quantum theory -- Quantum field theory; related classical field theories -- Two-dimensional field theories, conformal field theories, Quantum theory -- Quantum field theory; related classical field theories -- Two-dimensional field theories, conformal field theories, etc.., String models, Topological fields