J Wittmann - Calculus of Variations and Partial Differential …, 2017 - Springer
The heat flow for Dirac-harmonic maps on Riemannian spin manifolds is a modification of the classical heat flow for harmonic maps by coupling it to a spinor. It was introduced by …
Not only the Dirac operator, but also the spinor bundle of a pseudo-Riemannian manifold depends on the underlying metric. This leads to technical difficulties in the study of problems …
Let M be a smooth manifold and let g, g be Riemannian metrics on M. The metric g is said to be conformal to g if there exists a smooth positive function u∈ C∞+(M) such that g= ug. This …
N Nowaczyk - Mathematische Zeitschrift, 2016 - Springer
In this article, we prove that on any compact spin manifold of dimension m ≡ 0, 6, 7\mod 8 m≡ 0, 6, 7 mod 8, there exists a metric, for which the associated Dirac operator has at least …
The main result of Chapter 1 is short time existence of the heat flow for Dirac-harmonic maps on closed manifolds. Dirac-harmonic maps are the critical points of a functional motivated by …