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Top Questions
31
votes
High-level linear algebra book
linear-algebra
reference-request
book-recommendation
asked Jul 1, 2013 at 18:22
math.stackexchange.com
30
votes
Irreducibility of $x^n-x-1$ over $\mathbb Q$
polynomials
ring-theory
factoring
irreducible-polynomials
asked May 16, 2013 at 15:46
math.stackexchange.com
24
votes
Filters vs nets in topology
general-topology
filters
nets
asked Jul 30, 2013 at 14:19
math.stackexchange.com
15
votes
Why do we need the 'extern' keyword in C if file scope declarations have external linkage by default?
c
asked Nov 8, 2012 at 18:39
stackoverflow.com
15
votes
Finite vs infinite dimensional vector spaces
linear-algebra
big-list
asked Jun 13, 2013 at 17:35
math.stackexchange.com
12
votes
Group $\mathbb Q^*$ as direct product/sum
abstract-algebra
group-theory
proof-verification
abelian-groups
rational-numbers
asked May 10, 2013 at 13:36
math.stackexchange.com
12
votes
Metric vs metrizable spaces
general-topology
metric-spaces
category-theory
asked Aug 6, 2013 at 17:17
math.stackexchange.com
9
votes
Completion of a metric space in categorical terms
functional-analysis
metric-spaces
category-theory
asked Jul 20, 2013 at 18:09
math.stackexchange.com
6
votes
What happens when there is partial initialization of an array of struct in C?
c
coding-style
asked Oct 27, 2012 at 17:05
stackoverflow.com
5
votes
The number of paths on a graph of a fixed length w/o repeatings
graph-theory
asked Feb 10, 2013 at 8:59
math.stackexchange.com
Top Answers
8
If $f(x)=f'(x)+f''(x)$ and $f(a)=f(b)=0$, then $f(x)=0\quad\forall x\in[a,b]$
math.stackexchange.com
6
difference between function and relation?
math.stackexchange.com
5
How to find by hands $\arctan(\sqrt 3 + 2)$
math.stackexchange.com
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