Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
M
let A is algebra show A is d-alg. if A closed under lim sup
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1
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1K
Denis
D
D
langrnge multipliers - check solution please
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0
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1K
dopey9
D
T
Is (1237)^2 prime? 42 chairs put in rect.; find all prime p
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13
Views
3K
Denis
D
A
[MOVED] calculating Ubs* and Ufs* in system of equations
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2
Views
1K
Deleted member 4993
D
B
Are there any odd 'perfect' numbers?
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1
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1K
Loren
L
R
Let A,B be groups, theta:A-->Aut(B) a homomorphism. Then
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6
Views
2K
daon
D
W
Let A=[[a b][c d]], ad-bc=0, a=b=0; examine A[[x1][x2]]
Replies
4
Views
1K
warwick
W
P
Need mathematical function for computer game I'm programming
Replies
8
Views
2K
Deleted member 4993
D
H
find all minors and cofactors of [[ -2 -6 ][ 6 -3 ]]
Replies
3
Views
2K
stapel
stapel
C
If P--> q false, can truth value of (~p)V(p<-->q) be found?
Replies
3
Views
2K
stapel
stapel
F
Prove closure of (A-union-B) = (closure A)-union-(closure B)
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1
Views
8K
daon
D
F
Is the set of positive real numbers open, closed, or neither
Replies
2
Views
5K
felvt
F
A
Confused about "bitwise addition", 1's complement
Replies
4
Views
2K
tedhogan
T
S
Subspaces: plane of vectors, linear combinations, vectors w/
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1
Views
2K
stapel
stapel
F
Prove or disprove: 5^n + 9 < 6^n for all n >= 2
Replies
3
Views
6K
daon
D
W
Let s = { -10 >= x > 0 }: Find maxima and minima
Replies
6
Views
2K
wheatwoman
W
W
Linear Algebra Study Questions for Exam 1
Replies
3
Views
1K
warwick
W
F
Induction: Prove 2^(2n) - 1 divisible by 3 for all n >= 1
Replies
4
Views
24K
Deleted member 4993
D
F
pn=an for an>0, =0 for an<0; qn=an for an<0, =0 for an>0
Replies
2
Views
3K
felvt
F
J
find distance from pt (2, -5) to line r = (1, 3) + t(-2, 8)
Replies
1
Views
1K
Deleted member 4993
D
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