Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
V
Let (V ; <,>) be a Euclidean space and let x, y and z be nonzero vectors of V . Prove that:
Replies
8
Views
713
blamocur
blamocur
R
Projectile Motion Question
Replies
4
Views
636
robbo
R
R
Natural deduction - proving that (p&q) => p is a tautology without truth tables
Replies
2
Views
543
blamocur
blamocur
V
I need help: Consider the matrix B(x) = (x,1;1,x) and let n ≥ 2 be an integer. Calculate the product of matrices B(2)B(3) · · · B(n).
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4
Views
707
blamocur
blamocur
G
A problem on matrix exponentials: ${{e}^{AB}}$ and ${{({{e}^{A}})}^{B}}$
Replies
1
Views
453
topsquark
topsquark
G
A new statement of the previous problem about matrix exponentials
Replies
2
Views
380
blamocur
blamocur
R
p premier p≥3 find p : 2^[(p-1)/2] ≡ 1[p]
Replies
6
Views
714
khansaheb
K
shahar
game theory - game of tags
Replies
2
Views
813
Dr.Peterson
Dr.Peterson
Boi
Intersection of two subgroups: Why is it necessarilly true that intersection is a subgroup?
Replies
6
Views
808
khansaheb
K
M
What are the elements of order 3 in additive group Z/3Z × Z/6Z ? Surjective group homomorphism ((Q,+) -> (Q^+\{0},x)?
Replies
5
Views
580
blamocur
blamocur
O
Image of a complex valued function: Let f : C \ {-1} -> C \ {1}, A = {z in C | R(z) > 0}, and...
Replies
2
Views
540
Ozma
O
M
Matrices, trees and contruction: Construct a stochastic matrix M containing the probabilities of...
Replies
2
Views
372
blamocur
blamocur
F
Discovery-factorization
Replies
16
Views
1K
NotJeffM
N
Boi
Please, check my proof that smallest natural number "e" where a^e=1(mod p) must divide (p-1)
Replies
2
Views
673
Boi
Boi
L
(Graph theory) Are these graphs isomorphic?
Replies
1
Views
470
Dr.Peterson
Dr.Peterson
R
Logic, Inference, consequence (propositional logic) - basic question
Replies
13
Views
1K
OB1M
O
R
Never be a perfect power: Prove 11a^(2m) + 18a + 25 = z^n is impossible, for a an odd integer, m >= 0, n > 1
Replies
9
Views
686
Steven G
Steven G
O
f differentiable function with f'(x) non zero and f(x) -> +infinity as x->a+, does this imply f decreasing in a right neighborhood of a?
Replies
2
Views
459
Ozma
O
T
Proving that A/B=C: A is set of all integers, B = {x = 2n+5, n an integer}, C = {x = -2m, m an integer}
Replies
2
Views
611
Steven G
Steven G
C
Transfer funtions
Replies
1
Views
394
stapel
stapel
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