Mathematics
Cartesian Bear's user avatar
Cartesian Bear's user avatar
Cartesian Bear's user avatar
Cartesian Bear
  • Member for 2 years, 10 months
  • Last seen more than a week ago
  • Asia Minor
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Score Newest
question
5
If $S=(X, \mathcal{F})$ is a measurable space, $\mu,\nu$ two measure on S s.t. $\nu\ll\mu$, are all $\mu$-measurable functions also $\nu$-measurable?
Oct 27
question
5
Source and/or detailed proof for $\exp(\lambda (A + B)) = \exp(\lambda A)\exp(\lambda B)$ for commuting elements in a Banach algebra
Apr 27
question
4
Proving $\mu=\nu$ or $\mu\perp\nu$ if $\mu,\nu$ are two ergodic probability measures on $(X,B)$ with dynamics $T$ without Birkhoff's Ergodic Theorem
Jun 26
question
4
Is it true that $\limsup_{n\to\infty}(\sup_{x\in B}f_n(x))\leq\sup_{x\in B}(\lim\sup_{n\to\infty}f_n(x))$?
Dec 27, 2022
question
4
Question on showing that $\frac{1}{n}\sum_{k=0}^{n-1}U^kf$ converges in norm to the orthogonal projection $Pf$ to the space $\{f\in H: Uf = f\}$
Mar 21
question
3
Palka, An Introduction to Complex Analysis pp. 97-98, drawing a connection between differentiability in the real sense and complex differentiability
Sep 1, 2022
question
3
Why is $\frac{\partial^2 f}{\partial x\partial x}$ equal to $\frac{\partial^2 f}{\partial x^2}$ and not $\frac{\partial^2 f}{(\partial x)^2}$?
Sep 7, 2022
question
3
Asking for help to understand how one can apply the Dominated Convergence Theorem in a proof for Oxtoby's Ergodicity Theorem
Jul 24, 2022
question
3
Reference request: Why is an integrable system called an integrable system and why is the dynamical billiard on a disk completely integrable?
Jun 4
question
3
Proving the universal property of subspace topology
Mar 15, 2022

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