Dirac Operator on Embedded Hypersurfaces
classification
🧮 math.DG
math-phmath.MP
keywords
boundarydiracoperatorclassicalcompactdomainembeddedhypersurfaces
read the original abstract
New extrinsic lower bounds are given for the classical Dirac operator on the boundary of a compact domain of a spin manifold. The main tool is to solve some boundary problems for the Dirac operator of the domain under boundary conditions of Atiyah-Patodi-Singer type. Spinorial techniques are used to give simple proofs of classical results for compact embedded hypersurfaces.
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