SL2

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56 Answers

newest activity votes
3
Derived functors are Kan extensions
dec 27 '11 at 18:17
3
Find a closed term for $f(n) = n + 2 f(n-1)$, $f(1)=1$
dec 10 '11 at 16:11
3
Standardized Notation for Well-Known Categories
dec 6 '11 at 17:19
3
Union of an infinite number of subgroups
oct 13 '11 at 2:13
3
What are the requirements for a rotation matrix?
sep 28 '11 at 2:58
3
Do objects in category form a set?
sep 2 '11 at 4:03
3
Excision in homology: $H(D^2, S^1)$
aug 20 '11 at 15:46
2
Is there any good reads for Goodwillie calculus out there?
sep 7 at 21:22
2
polynomials with degree k
jun 1 '12 at 4:34
2
Homotopy groups of compact topological manifold
may 22 '12 at 4:52
2
Fiber bundle property
may 8 '12 at 23:06
2
Forming the “Usual” Push-out from a Colimit Diagram.
apr 12 '12 at 16:44
2
Product Topology of Discrete Sets
dec 27 '11 at 16:01
2
Algebraic Structure of the Rose with Two Petals
dec 26 '11 at 19:01
2
If the Wronskian W of $f$ and $g$ is $3e^{4t}$, and if $f(t) = e^{2t}$ how may I find $g(t)$?
nov 2 '11 at 19:06
2
Sections and homomorphisms of modules
sep 27 '11 at 18:35
2
Mathematics needed for higher dimensional category theory?
sep 18 '11 at 21:02
2
Special arrows for notation of morphisms
aug 21 '11 at 4:37
1
Show that $x \ln(ex) - \sqrt{x}\geq 0$ for all $x\geq 1$
sep 27 at 15:46
1
$f:X \to Y$ is a homotopy equivalence if there exists $g,h : Y \to X$ with $fg$ and $hf$ homotopy equivalences
may 22 '12 at 16:28
1
Homotopy direct limit
apr 9 '12 at 16:30
1
Useful fibrations
jan 19 '12 at 22:25
1
An elementary differential equation problem
oct 18 '11 at 2:27
0
integral cohomology groups of an aspherical manifold are isomorphic to the integral cohomology groups of it's fundemental group
jan 5 '12 at 0:48
0
Irreducible representations of $\mathbb{Z}$
nov 25 '11 at 21:19
0
How can I tell value is positive or negative ? definite integration question simple question
nov 23 '11 at 21:06
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