The generic nonvanishing conjecture for conformally invariant nonlinear Dirac equations

Let MM be a connected Riemannian spin manifold, and set

r:=2n1.r:=\frac{2}{n-1}.

Let ϕ\phi be a nonzero spinor satisfying

Dg0ϕ=cϕrϕD^{g_0}\phi=c|\phi|^r\phi

for some Riemannian metric g0g_0 and cRc\in\mathbb{R}. Generic nonvanishing conjecture. For generic conformal classes on MM, every such solution is everywhere non-zero. The exponent is special because the nonlinear Dirac equation and the zero set of ϕ\phi are conformally invariant; the claim is proposed as a generalization of the generic nonvanishing result known in the compact 22- and 33-dimensional eigenspinor setting.

Sources & referencesView supporting material

Primary source

Bernd Ammann, Andrei Moroianu and Sergiu Moroianu, “The Cauchy problems for Einstein metrics and parallel spinors”, arXiv:1106.2066 (2013).

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