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On space-time quasiconcave solutions of the heat equation
In this paper the authors first obtain a constant rank theorem for the second fundamental form of the space-time level sets of a space-time quasiconcave solution of the heat equation. Utilizing this constant rank theorem, they obtain some strictly convexity results of the spatial and space-time leve...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
American Mathematical Society
2019
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/2685946 |