Not an ID
Apparently, this user prefers to keep an air of mystery about them.
5 Why did the ancients hate the Parallel Postulate? may 20 '14
4 Is there any proposition in real analysis or linear algebra that can only be proved by contradiction? may 20 '14
3 Decompose a real symmetric matrix jul 23 '14
2 A better definition of Polynomial aug 7 '14
2 Arc Length and Differential Forms nov 14 '14