This article is cited in 15 papers

Brief Communications

Helicity is the Only Invariant of Incompressible Flows whose Derivative is Continuous in the $C^1$ Topology

E. A. Kudryavtseva

Lomonosov Moscow State University

Keywords: helicity, incompressible flow, exact divergence-free vector field, flux, topological invariants of magnetic fields.

Received: 10.11.2015

DOI: 10.4213/mzm11061

 English version: Mathematical Notes, 2016, 99:4, 611–615

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