Energy identity and necklessness for $$\alpha $$ α -Dirac-harmonic maps into a sphere
Calculus of Variations and Partial Differential Equations(2021)
摘要
Let
$$(\phi _\alpha , \psi _\alpha )$$
be a sequence of
$$\alpha $$
-Dirac-harmonic maps from a Riemann surface M to a compact Riemannian manifold N with uniformly bounded energy. If the target N is a sphere
$$S^{K-1}$$
, we show that the energy identity and necklessness hold during the interior blow-up process as
$$\alpha \searrow 1$$
for such a sequence .
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关键词
53C43, 58E20
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