Eric Auld

Los Angeles, CA

http://www.ericauld.net

Mathematician by training, looking for what's next.

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Why is $\text{Hom}(V,W)$ the same thing as $V^* \otimes W$?

linear-algebra tensor-products asked Feb 17, 2014 at 15:20

math.stackexchange.com

43 votes

Why does the graph of $e^{1/z}$ look like a dipole?

complex-analysis graphing-functions asked Dec 7, 2013 at 5:46

math.stackexchange.com

33 votes

Limit of recursive sequence $a_{n+1} = \frac{a_n}{1- \{a_n\}}$

calculus sequences-and-series elementary-number-theory recurrence-relations asked Jul 23, 2013 at 1:21

math.stackexchange.com

24 votes

Find all entire $f$ such that $f(f(z))=z$.

complex-analysis asked Dec 31, 2013 at 17:53

math.stackexchange.com

23 votes

Independence of a random variable $X$ from itself

probability random-variables asked Oct 2, 2013 at 23:30

math.stackexchange.com

23 votes

How can I indent paragraphs within an itemize environment?

lists indentation enumerate paragraphs itemize asked Nov 26, 2014 at 2:45

tex.stackexchange.com

23 votes

Why is TensorFlow's `tf.data` package slowing down my code?

python python-3.x tensorflow machine-learning deep-learning asked Jul 26, 2018 at 14:42

stackoverflow.com

22 votes

Detail in the proof that sheaf cohomology = singular cohomology

algebraic-topology homological-algebra homology-cohomology sheaf-theory sheaf-cohomology asked May 21, 2016 at 23:10

math.stackexchange.com

20 votes

Can the interior of a manifold be orientable but not its boundary?

differential-geometry smooth-manifolds orientation asked Aug 18, 2015 at 2:27

math.stackexchange.com

18 votes

A topological function with only removable discontinuities

general-topology limits continuity asked Aug 6, 2014 at 8:15

math.stackexchange.com

Top Answers

Difference between basis and subbasis in a topology?

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If a function $f(x)$ is Riemann integrable on $[a,b]$, is $f(x)$ bounded on $[a,b]$?

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Limit of $L^p$ norm

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Why are subsets of compact sets not compact?

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what is expected from a PhD student?

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Up-to-date advice on the best way to take notes (maths)

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What is the correct way to think about quotient sets and equivalence relations?

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Orthogonal projection onto an affine subspace

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function identity: does $\frac{x^2-4}{x-2} = x+2$

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Prerequisites to learn Complex Analysis

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What does the $L^p$ norm tend to as $p\to 0$?

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Prove null $T^k$ = null $T$ and range $T^k$ = range $T$

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If $\{x_n\}$ satisfies that $x_{n+1} - x_n$ goes to $0$, is $\{x_n\}$ a Cauchy sequence?

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About the position of "for all" quantifier

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What is the order of $\mathbb{Z_2 \times Z_2}$

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Is a differentiable function always continuous?

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Does an analytic function maps a simple connected region into a simple connected region?

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Is matrix diagonalization unique?

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How do you evaluate $\int \frac{y^2}{y^2+d^2}dy$?

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if the matrix such $B-A,A$ is Positive-semidefinite,then $\sqrt{B}-\sqrt{A}$ is Positive-semidefinite

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Cauchy theorem for a rectangle.

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Associativity of function composition?

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An 'easy' way to prove that epimorphism of sheaves implies surjectivity on stalks

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Tensor product between quaternions and complex numbers.

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What are the advantages of the Riemann vs. Lebesgue Integral?

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What intuitive explanation is there for the central limit theorem?

stats.stackexchange.com

Precise definition of epsilon-ball

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Convergence of $\{nz^n\}_1^{\infty}.$

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How to understand proof of a limit of a function?

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Continuous bounded function $f:\mathbb{R}\rightarrow \mathbb{R}$

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