Gaussian Curvatures of Lorentzian Metrics on the Plane and Punctured Planes
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چکیده
منابع مشابه
on translation of phatic communion and socio-cultural relationships between the characters of the novels
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چکیده ندارد.
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15 صفحه اولCurvatures of Sobolev Metrics on Diffeomorphism Groups
Many conservative partial differential equations correspond to geodesic equations on groups of diffeomorphisms. Stability of their solutions can be studied by examining sectional curvature of these groups: negative curvature in all sections implies exponential growth of perturbations and hence suggests instability, while positive curvature suggests stability. In the first part of the paper we s...
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ژورنال
عنوان ژورنال: Proceedings of the American Mathematical Society
سال: 1990
ISSN: 0002-9939
DOI: 10.2307/2047714