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\(p\)-harmonic 1-forms on totally real submanifolds in complex space forms. (English) Zbl 07742039

This paper contains vanishing type theorems for \(L^Q p\)-harmonic 1-forms on totally real submanifolds in complex space forms. The motivation for this paper stems from similar results in literature on harmonic 1-forms on totally real submanifolds. Thus, the present paper extends existing results to \(p\)-harmonic 1-forms. Vanishing type results are obtained for minimal (and non-minimal) totally real submanifolds under some mild assumptions. Another main achievement of the paper is the statement and proof of a vanishing theorem for \(p\)-harmonic 1-forms on \(n\)-dimensional non-compact totally real submanifolds in a complex projective space, under the assumption that the \(L^n\)-norm of the tracefree second fundamental form is sufficiently small. The proofs of these results involve establishing several non-trivial estimates using Bochner’s formula, Sobolev’s, Hölder’s, Cauchy-Schwarz’s, and other standard inequalities in analysis.

MSC:

58A10 Differential forms in global analysis
58A14 Hodge theory in global analysis
32L20 Vanishing theorems
53A10 Minimal surfaces in differential geometry, surfaces with prescribed mean curvature
Full Text: DOI

References:

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