operator theory : Math Help

Using the Denseness of $\mathbb{Q}$ for measurable functions

real-analysis measure-theory
Updated September 17, 2019 19:20 PM

Determining if $f(g)=g^n$ is a homomorphism on an abelian group and finding its kernel.

group-theory
Updated September 17, 2019 19:20 PM

Distribution of waiting time at a bus station

probability probability-theory probability-distributions stochastic-processes poisson-process
Updated September 17, 2019 19:20 PM

What can we say about behavior of $\sum_{p |n} \frac{p}{\log p}$?

sequences-and-series number-theory prime-numbers
Updated September 17, 2019 19:20 PM

About the conditional probability of sum of random variable $X_i$

probability analysis probability-theory
Updated September 17, 2019 19:20 PM

Prokhorov's Theorem-Prove if tight subsubsequence, then tight sequence.

probability-theory
Updated September 17, 2019 18:20 PM

Latin square and why it's not a group

group-theory
Updated September 17, 2019 18:20 PM

Shift of A martingale by A stopping time

probability-theory stochastic-processes martingales stopping-times
Updated September 17, 2019 18:20 PM

Solve $(x+1)(y+1)(z+1)=144$ in primes

elementary-number-theory
Updated September 17, 2019 18:20 PM

Proving that a "Boolean" algebra containing an element $i$ such that $i\land0=1$ is not distributive.

abstract-algebra model-theory boolean-algebra universal-algebra
Updated September 17, 2019 18:20 PM

Triangulation of a Moore space

general-topology group-theory algebraic-topology
Updated September 17, 2019 17:20 PM

Give an example for which $\sigma (S \cap T) \neq \sigma(S) \cap \sigma(T). $

real-analysis measure-theory proof-explanation
Updated September 17, 2019 17:20 PM

the development of k-theory for operator algebras

operator-theory operator-algebras c-star-algebras k-theory algebraic-k-theory
Updated September 17, 2019 17:20 PM

Meaning of closed under sub objects and quotient object

category-theory
Updated September 17, 2019 16:20 PM

Is a single element linearly independent in an abelian group?

abstract-algebra group-theory proof-explanation abelian-groups
Updated September 17, 2019 15:20 PM

Prove that gcd(a,b) = gcd(-a,b)

group-theory
Updated September 17, 2019 15:20 PM

Inequality for dyadic rationals in unit interval

real-analysis elementary-number-theory
Updated September 17, 2019 15:20 PM

An example of a lebegue measurable set which is not Borel set and why?

real-analysis measure-theory examples-counterexamples cantor-set borel-sets
Updated September 17, 2019 14:20 PM

Conditional Expectation of a Poisson Counting Process

probability-theory conditional-probability poisson-process
Updated September 17, 2019 14:20 PM

Is there any use of metric spaces in number theory?

number-theory reference-request metric-spaces
Updated September 17, 2019 14:20 PM

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