Smooth path lifting on $S^1$
135634
Prove that there exists a smooth map $g\colon R\to R$ such that $f(\cos(t),\sin(t))=(\cos(g(t)),\sin(g(t)))$ and satisfying $g(2π)=g(0)+2\pi q$.
104390
How can we rewrite this optimization problem in standard form?
37122
Modifying some features on the graphs of a function and its inverse
46504
Does there exist a smooth approximation of $x \bmod y$?
5187
An analogue of Hensel's lifting for Fibonacci numbers
77338
Lagrangian interpolation: degree of the interpolation polynomial
69798
Intersecting geodesics in a positive curvature manifold
118622
Local diffeomorphism from $\mathbb R^2$ onto $S^2$
43170
inverse image of fiber product of scheme
85692
Liftings of curves $u\cdot v$ and $v\cdot u$ with respect to the sine covering map.
102630
Approximation algorithms for min vector subset-sum over GF(2)
109180
Deriving Sum of a Geometric Progression
78963
Homotopy lifting property of $\mathbb{R} \to S^1$ in Hatcher
156611
Hartshorne Problem 1.2.14 on Segre Embedding
128867
Inverse of order preserving transformation
97209
Smoothness of a surface
84419
Product of manifolds & orientability