Erno Nemecsek

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43 Answers

newest activity votes
24
Coffee Break Riddle
10
Classical texts that should not be missing from any shelf
7
Real life applications of Topology
7
Ring theory exercises at the graduate level
7
Who are some forgotten mathematicians?
7
Which sequences converge in a cofinite topology and what is their limit?
6
Given any Group G, is there a topological space whose fundamental group is exactly G?
6
Classical texts that should not be missing from any shelf
6
What does $\mathbb{Z}_{7429}$ mean?
5
What does this quantifier evaluates to?
5
Prove if $ p$ is a prime of the form $3n+1$, then $p$ is also of the form $6m+1$
4
$\mathbb{R}P^3$ is homeomorphic to the lens space $L(2,1)$
4
How can I find videos of mathematics at graduate level, especially on linear algebraic groups
3
Can you provide me historical examples of pure mathematics becoming “useful”?
3
Examples of Galois connections?
3
Best books on Linear Algebra
3
Is there any object/metric within all points are at same distance to each other?
2
Mathematical toys?
2
How to manipulate absolute values when shifting parts in an inequality
2
Outline and Goals of a One-Year Calculus Sequence
2
Is the power set of the natural numbers countable?
2
Any good linear algebra textbook for practice/problem solving?
2
Proving that $x\sin x+\cos x=x^2$ has only one positive answer
2
Real line bundle smoothly isomorphic to Möbius bundle
2
Proofs involving stereographic projection
2
Game theory - self study
1
Fast algorithm for LU factorization
1
Descriptive explanation of the term “homotopic”
1
probability question (“birthday paradox”)
1
Restricted Integer Partitions
1 2