Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
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GCD prob: a,b,c,d natural, ad=bc; what is {a+b,c+d}?
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4
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2K
daon
D
D
Ultrapowers and Elementary Embeddings
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1
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2K
daon
D
A
Prove Gauss' Lemma for polys w/coeffs in Euclidean ring....
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1
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3K
daon
D
J
Dual Space Q: What does the dual space of R^2 consist of?
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1
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2K
pka
pka
J
similar matrices question
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1
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2K
joeyjoejoe
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J
Number Theory-Congruences
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0
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2K
JennyJ
J
D
Limit & Sum Problem (Parseval's Theorem)
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2
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2K
daon
D
L
Chebyshev least square
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0
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1K
lacy1104
L
P
Riemann integrability of f composites g, given f integrable,
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5
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2K
pka
pka
J
Proofs with functions and subsets.
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6
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5K
Jamers328
J
S
Q is indecomposable
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0
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2K
sammy
S
S
rings: existance of comm. ring R, ideal (d), w/ R/(d) iso to
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0
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1K
sammy
S
D
needing definitions: N-server lost shortest-queue model, etc
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0
Views
1K
Don
D
S
complex variables and definite integrals
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2
Views
2K
sammy
S
J
Functions: Injective, Surjective, or Bijective?
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6
Views
7K
Jamers328
J
S
maclaurin series for z*coth z around 0 has rational coeffici
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0
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1K
sammy
S
T
Cubic Spline Terminology
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1
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2K
tkhunny
tkhunny
T
prove if n is square-free and n|m^2, then n divides m
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4
Views
2K
PAULK
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J
If A, B symmetric; show AB+BA symm., AB-BA skew symm.
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2
Views
13K
masi
M
J
If matrix A symmetric, then A^n symm. for pos. int. n
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1
Views
2K
Deleted member 4993
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