Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
C
Multiple variable equation help needed please :)
Replies
5
Views
3K
Steven G
Steven G
G
A counter example in obstruction theory
Replies
0
Views
1K
Ganesh Ujwal
G
R
Projectiles - proof there is no solution
Replies
2
Views
1K
Rxyz
R
C
Vector space question
Replies
2
Views
1K
Steven G
Steven G
E
find supremum and infimum of {((2p-1)/(2pq+1))| p,q ∈ Z}
Replies
7
Views
5K
Ishuda
I
B
Inverse proportionality in set theory
Replies
1
Views
1K
Ishuda
I
A
Normed Spaces
Replies
3
Views
2K
HallsofIvy
H
G
How do I define a bijection between (0,1) and (0,1]?
Replies
2
Views
7K
HallsofIvy
H
S
Mexican Army Cipher Disk
Replies
5
Views
7K
HallsofIvy
H
T
Determining whether something is a valid norm in linear algebra
Replies
2
Views
3K
trobinson41
T
R
on i^i
Replies
3
Views
2K
richardt
R
B
Quantification
Replies
16
Views
6K
bahen
B
L
Solve Russell paradox
Replies
3
Views
2K
lemgruber
L
M
What is the locus of z if im ((z+1)/(z-1)) = 0?
Replies
9
Views
4K
Ishuda
I
A
[MOVED] abelian groups, boolean logic, etc
Replies
2
Views
2K
HallsofIvy
H
M
abstract algebra: p, q prime; o(G) = pq, G has normal subgrps w/ degrees p, q
Replies
2
Views
2K
stapel
stapel
M
abstract algebra: G abelian, finite, of order o(G), w/ (n, o(G)) = 1, then prove:
Replies
2
Views
1K
mohammad2232
M
Z
Lipschitz continuity
Replies
5
Views
2K
zoopreme
Z
M
Matrix-Eigenvector Operations (Linear Algebra)
Replies
9
Views
7K
HallsofIvy
H
H
Del operator
Replies
1
Views
1K
HallsofIvy
H
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