Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
M
Classical Mathematics textbooks
Replies
6
Views
1K
pka
pka
A
Is this proof correct? Give a group theoretic proof that Q under addition is not isomorphic to R^+ under multiplication.
Replies
1
Views
843
The Highlander
The Highlander
O
Is this a correct proof of pigeonhole principle?
Replies
7
Views
1K
Ozma
O
D
Complex Integral help?
Replies
3
Views
1K
topsquark
topsquark
Z
99 consecutive composite natural numbers
Replies
11
Views
2K
JeffM
J
D
SOS Complex integral
Replies
0
Views
596
Darya
D
D
Hi! I am trying to solve integration, not sure with the final solution. Thanks in advance.
Replies
11
Views
1K
topsquark
topsquark
W
Im not a student myself, but I need to solve this question for my gf since shes very busy.
Replies
2
Views
750
topsquark
topsquark
C
  • Locked
arguments
2
Replies
39
Views
5K
chrislav
C
C
  • Locked
solve an equation
Replies
17
Views
2K
chrislav
C
J
Preliminary test for divergence
Replies
4
Views
948
topsquark
topsquark
C
  • Locked
proof checking
Replies
7
Views
1K
topsquark
topsquark
T
Finding the Vector Angles from a Map
Replies
7
Views
1K
Dr.Peterson
Dr.Peterson
S
About a diffeomrphism between manifolds TM×TN=T(M×N)
Replies
0
Views
467
Sarosh
S
M
Taylor Series Question
2
Replies
20
Views
3K
Steven G
Steven G
M
Help with sigmoid function
Replies
0
Views
578
makomeyer
M
O
Relation between lim x->infinity of f(x) and lim n->infinity of f(n)
Replies
3
Views
888
lex
L
M
Momentum
Replies
8
Views
1K
topsquark
topsquark
S
Regarding diffeomorphism on manifolds
Replies
5
Views
1K
blamocur
blamocur
F
Impossible integral?
Replies
2
Views
919
Cubist
Cubist
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