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Top Questions
18
votes
How to know if a tangent bundle is trivial from its defining equations
differential-geometry
differential-topology
singularity-theory
asked Jul 21 '14 at 22:31
math.stackexchange.com
16
votes
Area of the Limiting Polygon
geometry
polygons
asked Jul 7 '14 at 20:30
math.stackexchange.com
16
votes
Which finite group is this?
group-theory
finite-groups
asked Oct 30 '17 at 17:53
math.stackexchange.com
15
votes
Inspiring a new generation
soft-question
education
asked Oct 8 '12 at 19:39
math.stackexchange.com
14
votes
Functions with $\mathrm s(x)^n+ \mathrm c(x)^n \equiv 1$
integration
functions
indefinite-integrals
special-functions
functional-equations
asked Dec 18 '18 at 18:00
math.stackexchange.com
9
votes
Time wrong since dual-boot installation
microsoft-windows
asked Sep 28 '16 at 16:31
elementaryos.stackexchange.com
9
votes
Sequence Notation — Which brackets to use?
soft-question
notation
asked Mar 7 '13 at 17:12
math.stackexchange.com
8
votes
How was this solution found?
cubic-equations
asked Apr 5 '14 at 20:55
math.stackexchange.com
8
votes
Bifurcation of integral curves
differential-equations
bifurcation
asked Jul 13 '13 at 20:07
math.stackexchange.com
8
votes
When does $\|z^2\|=\|z\|^2$
field-theory
norm
asked Sep 25 '13 at 17:05
math.stackexchange.com
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Top Answers
109
How to distinguish between walking on a sphere and walking on a torus?
math.stackexchange.com
80
what is expected from a PhD student?
math.stackexchange.com
44
Is $\mathbf{Q}(\sqrt{2}, \sqrt{3}) = \mathbf{Q}(\sqrt{2}+\sqrt{3})$?
math.stackexchange.com
38
Prove that $\gcd(M, N)\times \mbox{lcm}(M, N) = M \times N$.
math.stackexchange.com
37
How to explain that division by $0$ yields infinity to a 2nd grader
math.stackexchange.com
35
How do I calculate the intersection(s) of a straight line and a circle?
math.stackexchange.com
26
How long does it take to write a math paper?
math.stackexchange.com
25
Pushforward of a vector field
math.stackexchange.com
25
Why must the base of a logarithm be a positive real number not equal to 1?
math.stackexchange.com
25
Is $dx\,dy$ really a multiplication of $dx$ and $dy$?
math.stackexchange.com
23
Gradient is NOT the direction that points to the minimum or maximum
math.stackexchange.com
23
What are the angle brackets in Linear Algebra?
math.stackexchange.com
23
The graph of a smooth real function is a submanifold
math.stackexchange.com
21
Why does $\mathbb{Z}$ denote the set of integers?
math.stackexchange.com
19
Limit of $(1+ x/n)^n$ when $n$ tends to infinity
math.stackexchange.com
19
How to prove that $e^x$ is convex?
math.stackexchange.com
17
How can I solve $\cos^2 x + \sin x +1 = 0$?
math.stackexchange.com
17
Fermat's Last Theorem's Proof
math.stackexchange.com
16
How to prove that $GL(n,\mathbb R)$ is not connected subset and open subset of$M_n (\mathbb{R})$
math.stackexchange.com
16
Finding the angle between three points?
math.stackexchange.com
15
Calculate the radius of a circle given the chord length and height of a segment
math.stackexchange.com
15
Inversion mapping complex function
math.stackexchange.com
14
Deriving curvature formula
math.stackexchange.com
13
General technique for finding minimal polynomial?
math.stackexchange.com
13
Calculate cosh(x) given sinh(x)
math.stackexchange.com
12
Reflection with respect to a parabola
math.stackexchange.com
12
Continuity of analytic function implies convergence of power series?
math.stackexchange.com
11
$1-2+3-4+\dots = \frac{1}{4}$
math.stackexchange.com
11
Changing variable in a second derivative
math.stackexchange.com
11
Finding the angle of rotation of an ellipse from its general equation and the other way around
math.stackexchange.com
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