17 entries matching the current filters. Sorted by recently added.
A question from Living Reviews in Relativity (2021). Open Problem 4.4; Section 4.1.
A question from Living Reviews in Relativity (2021). Open Problem 3.23; Section 3.6.
Guth’s sponge embedding problem. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Smooth optical fibers: orthogonal slices and noncongruent ends. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Reconstructing a pointed manifold from its exponential pullback. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Almost every geodesic encounters negative curvature. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Embedding a closed four-ball with open projection. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Compactness of convex hulls in complete CAT(0) spaces. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Cocompact hyperbolic actions generated by finite-order elements. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Nonnegative polyhedral approximation of complex projective space. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Length of a geodesic fixed by an involution. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Connecting points of a compact continuum with little outside length. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Maximal finite subgroups of Euclidean isometry groups. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Metrics of nested convex surfaces. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Hilbert-space quotients and Riemannian biquotients. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
CAT(0) geometry of braid space. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.
Two-convexity and plane sections. Current research status is unassessed. The dated source poses this question; inclusion does not certify that it remains open today.