نتایج جستجو برای: mean curvature
تعداد نتایج: 623550 فیلتر نتایج به سال:
let $m^n$ be an $n(ngeq 3)$-dimensional complete connected and oriented spacelike hypersurface in a de sitter space or an anti-de sitter space, $s$ and $k$ be the squared norm of the second fundamental form and gauss-kronecker curvature of $m^n$. if $s$ or $k$ is constant, nonzero and $m^n$ has two distinct principal curvatures one of which is simple, we obtain some charact...
In this note we establish that finite-time singularities of the mean curvature flow of compact Riemannian submanifolds M t →֒ (N, h) are characterised by the blow up of the mean curvature.
In “Curvature blow-up in perturbations of minimal cones evolving by mean curvature flow,” Velázquez constructed a countable collection flow solutions RN every dimension N?8. Each these becomes singular finite time at which the second fundamental form blows up. contrast, we confirm here that, N?8, infinitely many have uniformly bounded curvature.
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