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elementary number theory : Math Help
Closure of Algebraic Closure
linear-algebra
field-theory
Updated October 20, 2019 05:20 AM
1
answers
7
views
0
votes
Does this hierarchy of intersection and union collapse?
elementary-set-theory
propositional-calculus
Updated October 20, 2019 05:20 AM
0
answers
3
views
0
votes
Proving that "every acyclic, connected graph with V vertices has V-1 edges"
proof-verification
graph-theory
Updated October 20, 2019 05:20 AM
0
answers
6
views
0
votes
Define $f : \mathbb{Z}_p \to \mathbb{Z}_p$ by $f([x])=[ax],a\in\mathbb{Z},p\nmid a$. Prove that $f$ is 1-to-1 & onto
number-theory
modular-arithmetic
Updated October 20, 2019 04:20 AM
1
answers
8
views
0
votes
Minimum digit sum of a number
elementary-number-theory
Updated October 20, 2019 04:20 AM
2
answers
28
views
0
votes
Primitive instances where $c^3|(a^3+b^3)$ with $a,b,c\in\mathbb{N}$
number-theory
elementary-number-theory
diophantine-equations
integers
cubic-equations
Updated October 20, 2019 04:20 AM
0
answers
13
views
4
votes
Why $B=\sum_{n\geq 0}\frac{\theta^n}{n!}J^n$ where $J:=\left( \matrix{0&-1\\ 1&0}\right)$?
linear-algebra
abstract-algebra
matrices
group-theory
lie-groups
Updated October 20, 2019 03:20 AM
1
answers
13
views
0
votes
Average of sequence random variables convergence
probability
probability-theory
convergence
weak-convergence
law-of-large-numbers
Updated October 20, 2019 03:20 AM
1
answers
33
views
1
votes
Strong Markov Property: Having Trouble Understanding Proof Using Strong Markov
real-analysis
probability
probability-theory
stochastic-processes
markov-chains
Updated October 20, 2019 03:20 AM
0
answers
2
views
0
votes
folland, computation in proof of theorem 1.18 (inner regularity of borel measure on R)
real-analysis
measure-theory
Updated October 20, 2019 03:20 AM
1
answers
16
views
0
votes
Convergence in Measure and Continuity
real-analysis
probability-theory
measure-theory
convergence
Updated October 20, 2019 03:20 AM
0
answers
6
views
1
votes
Approximate an operator by a sequence of operators with finite spectrum
operator-theory
operator-algebras
c-star-algebras
Updated October 20, 2019 03:20 AM
0
answers
9
views
0
votes
Ring Homomorphism determined by a 6th root of unity
abstract-algebra
ring-theory
complex-numbers
ring-homomorphism
Updated October 20, 2019 01:20 AM
0
answers
7
views
1
votes
How do I compute the expected value of this sequence of R.V.
probability
probability-theory
probability-distributions
expected-value
Updated October 20, 2019 01:20 AM
1
answers
10
views
0
votes
Density of $\frac23U_{[-1,1]}+\frac13\delta_0$ w.r.t $U_{[-1,1]}$ and $\delta_0$
probability-theory
measure-theory
density-function
radon-nikodym
Updated October 20, 2019 00:20 AM
0
answers
2
views
0
votes
How can I prove that a gaussian integer in the set $\mathbb{Z}[\sqrt{2}]$, is prime.
abstract-algebra
number-theory
Updated October 20, 2019 00:20 AM
0
answers
8
views
0
votes
Let $(X_n)$ be a sequence of i.i.d. r.v.'s. Proving that if $A$ is a tail event, then it is also symmetric.
probability
probability-theory
Updated October 20, 2019 00:20 AM
1
answers
24
views
2
votes
Finding squares that add to a certain sum
number-theory
arithmetic
radicals
square-numbers
sums-of-squares
Updated October 20, 2019 00:20 AM
0
answers
11
views
0
votes
Absolute Value of Integrals
real-analysis
integration
analysis
measure-theory
lebesgue-integral
Updated October 20, 2019 00:20 AM
1
answers
35
views
3
votes
What problems can one encode in Generalised Collatz Problem?
elementary-number-theory
logic
Updated October 20, 2019 00:20 AM
0
answers
15
views
0
votes
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