All questions asked by Andrew Steane

List all solved & unsolved questions asked by Andrew Steane

Can one body push another body away by sending gravitational waves towards it?

2 Physics Asked on 10/31/2020

general relativity gravitational waves momentum

Does there exist a function which is real-valued, non-negative and bandlimited?

1 Mathematics Asked on 12/01/2021

fourier analysis harmonic analysis

Suppose $A , B , C$ are arbitrary sets and we know that $( A times B ) cap ( C times D ) = emptyset$ What conclusion can we draw?

3 Mathematics Asked on 11/29/2021

elementary set theory

Can a nonsingular matrix be column-permuted so that the diagonal blocks are nonsingular?

1 Mathematics Asked on 11/29/2021

block matrices linear algebra matrices permutation matrices

Does ${f(x)=ln(e^{x^2})}$ reduce to ${x^2ln(e)}$ or ${2xln(e)}$?

3 Mathematics Asked on 11/29/2021

algebra precalculus logarithms

Proving that $(0,1)$ is uncountable

2 Mathematics Asked on 11/29/2021

real analysis real numbers sequences and series

Understanding a statement about composite linear maps

1 Mathematics Asked on 11/29/2021

Assert the range of a binomial coefficient divided by power of a number

3 Mathematics Asked on 11/29/2021

binomial coefficients combinatorics

What is the Fourier transform of $|x|$?

3 Mathematics Asked on 11/29/2021

calculus dirac delta fourier transform

Exists $t^in mathbb{R}$ such that $y(t^)=-1$?.

2 Mathematics Asked on 11/29/2021

ordinary differential equations

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