proofs about plane curve
90142
Show that $r$ is a spherical curve iff $(1/\kappa)^2+((1/\kappa)'(1/\tau))^2$ is a constant.
95779
Torus and Elliptic curves
154534
consider the following subsets of complex plane
152518
Proof that the set of all possible curves is of cardinality $\aleph_2$?
102730
Is my proof correct? (Conformal equivalence of two circular annuli)
86193
Rigorous proof that $dx dy=r\ dr\ d\theta$
117104
Is the punctured plane homotopy equivalent to the circle?
84686
Geometric Description Of a Set In The Complex Plane
155004
Maximal points on an $n$-dimensional ellipsoid
54496
Showing that $\mathbb{R}$ and $\mathbb{R}\backslash\mathbb{Q}$ are equinumerous using Cantor-Bernstein
152347
Proof that a certain entire function is a polynomial
61481
Continuously Differentiable Curves in $\mathbb{R}^{d}$ and their Lebesgue Measure
145447
bilinear form - proof
83449
Proof with 3D vectors
70303
Parametric form of a plane
103416
Proving area under curve
37796
Curves with constant curvature and constant torsion