On the existence of parallel normal vector fields of surfaces in
Alois Švec (1976)
Czechoslovak Mathematical Journal
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Displaying similar documents to “Carleman estimates for a subelliptic operator and unique continuation”
On the existence of parallel normal vector fields of surfaces in
Cubic forms on Riemannian surfaces
Alois Švec (1978)
Časopis pro pěstování matematiky
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On isotropic tensors
H. Fath el Bab (1977)
Czechoslovak Mathematical Journal
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Two-dimensional real symmetric spaces with maximal projection constant
Bruce Chalmers, Grzegorz Lewicki (2000)
Annales Polonici Mathematici
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Let V be a two-dimensional real symmetric space with unit ball having 8n extreme points. Let λ(V) denote the absolute projection constant of V. We show that where is the space whose ball is a regular 8n-polygon. Also we reprove a result of [1] and [5] which states that for any two-dimensional real symmetric space V.
Trigonometric identities.
Baica, Malvina (1986)
International Journal of Mathematics and Mathematical Sciences
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