Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
J
Homeomorphism between quotient space and S^1 x S^(n-1)
Replies
11
Views
4K
SlipEternal
S
J
Need help with my first real proof!
Replies
3
Views
2K
pka
pka
W
orthogonal vectors in pre-Hilbert space
Replies
2
Views
1K
waytogo
W
X
An example of abelian group where summation of a !=0 where a belongs to the group G
Replies
11
Views
5K
daon2
D
I
Which solution is better?
Replies
4
Views
1K
SlipEternal
S
T
Common Iteration . Need help!
Replies
4
Views
2K
tiigrike
T
S
Help with linear algebra?
Replies
0
Views
906
SeanG
S
M
More Set Theory
Replies
3
Views
2K
pka
pka
M
Help with a Union Problem
Replies
1
Views
1K
pka
pka
M
Set Theory Please help!
Replies
1
Views
1K
MattF
M
U
hilp!
Replies
1
Views
2K
Deleted member 4993
D
R
Prove that (A-B) intersection (A-C)= A-(B union C)?
Replies
3
Views
13K
pka
pka
S
Can someone check a proof involving cases, please?
Replies
2
Views
2K
Syrus
S
M
Forms of the axiom of choice
Replies
1
Views
2K
pka
pka
H
Math logic question
Replies
0
Views
2K
helenli89
H
F
Can someone please help me solve these questions? I would really appreciate it. TY
Replies
2
Views
9K
soroban
S
B
Appears Basic and simple, please help find what we are doing wrong or not noticing
Replies
1
Views
2K
tkhunny
tkhunny
S
Nowhere locally metrizable
Replies
0
Views
1K
SlipEternal
S
S
Find the missing number
Replies
2
Views
2K
soroban
S
D
Need help with figuring out this limit
Replies
4
Views
2K
DanCali
D
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