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seen Aug 1 at 5:30

Jul
2
awarded  Curious
Jun
30
reviewed Reopen What's the simplest way to find the equation of this circle?
Jun
30
reviewed Reopen Maximum Likelihood Estimator for a Poisson random variable
Jun
30
reviewed Leave Closed Prove : Aut(G) is abelian so G is cyclic
Jun
30
revised Arithmetic progressions of Perfect squares
typos
Jun
30
reviewed Leave Closed Characterization of the kernel and cokernel of the natural homomorphism between a module and its double dual.
Jun
30
reviewed Reopen the relation between sigma finiteness and absolute continuity
Jun
29
reviewed Reopen on direct product of two cyclic 2-group
Jun
28
revised How to prove, that $e^x$ is uniformly continuous if $x$ is negative?
title typos
Jun
28
reviewed Reviewed How many 3-digit positive integers are odd and do not contain digit 5?
Jun
27
reviewed Reopen If $P$ is the standard matrix an orthogonal projection, prove that so is $P^k$.
Jun
27
reviewed Leave Closed The convergence of $\sqrt {2+\sqrt {2+\sqrt {2+\ldots}}}$
Jun
27
reviewed Reopen What is the solution of cos(x)=x?
Jun
27
reviewed Leave Closed Convergence of improper integral depending on parameter
Jun
27
reviewed Leave Closed Advanced Counting Problem
Jun
27
reviewed No Action Needed Vivid examples of vector spaces?
Jun
27
reviewed Reviewed Generating a regular sequence out of two
Jun
27
comment How were 'old-school' mathematics graphics created?
@asmeurer: Let me check - they combined the series into a single book - the version I have. It looks like it is combo of computer graphics and also Diane Rogoli for drawings (I guess she is an artist and used hand drawn rough sketches). See: amazon.com/Dynamics-Geometry-Behavior-Ralph-Abraham/dp/… . Here is the intro with her name : aerialpress.com/DYN/DYN4Pt1Ch0X.pdf
Jun
26
revised Non-orthogonal projections summing to 1 in infinite-dimensional space
title typo
Jun
26
reviewed Leave Closed I need help with a double sum