Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
P
Adjoint: Find operator T so N(T) does not equal N(T*)
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0
Views
1K
passionate
P
J
Number Theory - square-free integers & tau.
Replies
2
Views
2K
Jamers328
J
B
sequence Q: Let f_n(x) = x^2(2n)+...+x^2+x+1, and let m_n=
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3
Views
2K
BrainMan
B
B
Continuity: f:[a,b] continuous, |f(y)|<=(1/2)|f(x)| for s
Replies
1
Views
2K
pka
pka
B
real roots of f = 2(b^2)x^3 + abx^2 - [(a^2)+(3b^2)+1] - 3ab
Replies
3
Views
2K
Deleted member 4993
D
E
pascal questions: 5-digit numbers, filling tub, perfect sqrs
Replies
3
Views
2K
stapel
stapel
B
One-to-one or onto? g:Z->Z, g(n) = 3n - 2 for all n
Replies
5
Views
3K
stapel
stapel
K
Linear Programming - using percentages in constraints
Replies
7
Views
23K
kone
K
S
Number Theory: Show x congruent to b^u(mod m) is always
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0
Views
2K
shred440
S
W
unconstrained optimization: f(x,y) = x/(1+x^2+y^2)
Replies
2
Views
2K
woolley
W
J
Change of basis: T(x,y,z)=(-x-y-z,x+y-5z,-3x-3y+3z)
Replies
1
Views
2K
tkhunny
tkhunny
J
Number Theory - Wilson's Thm
Replies
6
Views
2K
Jamers328
J
K
Linear Algebra true or false
Replies
3
Views
3K
daon
D
J
Number Theory: prove p^1-1+q^1-1 = 1 mod pq
Replies
4
Views
6K
Jamers328
J
J
Number Theory - Fermat's Little Theorem & Halley's Comet
Replies
2
Views
4K
Jamers328
J
S
Least Squares Approximation in Linear Algebra
Replies
2
Views
2K
Opalg
O
A
minimizer and maximizer for f(x) a monotonic function
Replies
0
Views
1K
a1234
A
J
Number Theory - congruence problem
Replies
5
Views
4K
arthur ohlsten
A
B
limits: [(1+x^(1/n))/2]^(2n) for x>1, as n->infty
Replies
2
Views
2K
BrainMan
B
R
numerical analysis - natural cubic spline
Replies
2
Views
2K
rong_en
R
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