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Top Questions
22
votes
Students using ambiguous notation
students-mistakes
notation
asked Apr 3 '14 at 13:39
matheducators.stackexchange.com
18
votes
Field-theoretic description of fixed field of central subgroups?
galois-theory
asked Apr 30 '13 at 21:32
math.stackexchange.com
12
votes
Can a pool ball change direction mid-roll?
newtonian-mechanics
angular-momentum
rotational-dynamics
friction
collision
asked May 22 '14 at 17:25
physics.stackexchange.com
11
votes
Underlined math operator
math-mode
math-operators
asked Jan 30 '17 at 0:21
tex.stackexchange.com
11
votes
wiki's definition of “strongly continuous group action” wrong?
topological-groups
group-actions
asked Feb 27 '13 at 17:14
math.stackexchange.com
10
votes
The set of polytopes with given $f$-vector
ag.algebraic-geometry
co.combinatorics
convex-polytopes
real-algebraic-geometry
semialgebraic-geometry
asked Oct 22 '18 at 23:48
mathoverflow.net
10
votes
Ring of differential operators of a quotient ring
reference-request
ac.commutative-algebra
ra.rings-and-algebras
d-modules
asked Jan 18 '15 at 19:53
mathoverflow.net
8
votes
Is every $R^iF(M)$ isomorphic to some $F(N)$?
ct.category-theory
homological-algebra
abelian-categories
derived-functors
asked Jul 4 '17 at 16:30
mathoverflow.net
8
votes
ExpressCache vs. Intel's Rapid Storage and Smart Response Technologies
hard-drive
performance
ssd
asked Mar 20 '13 at 23:29
superuser.com
7
votes
Why does restriction of Weil divisors “clearly” preserve principal-ness?
ag.algebraic-geometry
asked Jun 4 '14 at 16:08
mathoverflow.net
1
2
3
next
Top Answers
20
Evaluate:: $ 2 \sum_{n=1}^\infty \frac{(-1)^{n+1}}{n+1}\left( 1 + \frac12 +\cdots + \frac 1n\right) $
math.stackexchange.com
20
Why do the less than symbol (<) and the greater than symbol (>) appear wrong as upside down exclamation (¡) or question mark (¿)?
tex.stackexchange.com
16
What is the Topology of point-wise convergence?
math.stackexchange.com
13
Formal proof for $(-1) \times (-1) = 1$
math.stackexchange.com
13
What are some measures of connectedness in graphs?
math.stackexchange.com
8
What is the empty relation?
math.stackexchange.com
7
Is there a command for large middle delimiters consistent with \bigl and \bigr?
tex.stackexchange.com
6
What is the motivation behind the characteristic variety of a D-module and what does it's geometry tell me about the D-module?
mathoverflow.net
5
Characteristic Variety of the Principal Symbol solves PDE system?
mathoverflow.net
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