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11
Do there exist transcendental numbers which are not hypertranscendental?
3
Two lines with orthogonal Plucker embedding
32
Are there examples of non-orientable manifolds in nature?
10
Ways to prove the fundamental theorem of algebra
4
Möbius and projective 3-manifolds
4
Is it always possible to compute the Betti numbers of a nice space with a well-chosen Lefschetz zeta function?
2
Linear elliptic partial differential equation with analytic coefficients
2
Newlander-Nirenberg for surfaces