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 Apr9 comment Iterated Limits Along an Ultrafilter Thank you for this! Apr9 accepted Iterated Limits Along an Ultrafilter Apr9 comment Iterated Limits Along an Ultrafilter Note that my question was not whether this holds in general. I'm asking about sufficient and/or necessary conditions for these limits to agree. Apr9 comment Iterated Limits Along an Ultrafilter Without being rigorous, I was able to vaguely come up with an example of sequences where this does not hold. But I did not work it out fully. I can do so over the next hour and report back! Apr9 asked Iterated Limits Along an Ultrafilter Apr9 revised How to prove that the spectral radius of a linear operator is the infimum over all subordinate norms of the corresponding norm of the operator. deleted 2 characters in body Mar13 revised What is the best approach when things seem hopeless? deleted 19 characters in body Mar11 revised Interpreting the lingo of a definition fixed my statement which was missing a word Mar11 comment Interpreting the lingo of a definition I tried hosting the picture with a link instead. I hope it works now. Mar11 revised Interpreting the lingo of a definition deleted 204 characters in body Mar11 comment simplifying an expression which concludes $e^x$ Depends on your accent? :) Mar11 revised simplifying an expression which concludes $e^x$ fixed order of operations Mar11 comment simplifying an expression which concludes $e^x$ I added some brackets around the $-e^{x}$ appearances. Not using those brackets is a bad idea as it changes the meaning and is likely to get confused with subtraction rather than multiplication by a negative. Mar11 revised simplifying an expression which concludes $e^x$ fixed order of operations Mar11 comment Interpreting the lingo of a definition Thanks for letting me know. I couldn't tell because it works for me. I'll see if I can figure out what's wrong. I guess that's why I've got no answer yet. :) Mar11 asked Interpreting the lingo of a definition Mar8 comment Is the Algebraic Closure of a Finite Field Algebraically Closed? The definition I had while asking this question (3 years ago), was different than the one most people use. The book I was using supplied a more direct concreted definition using roots of polynomials, but then proceeded to work with the abstract one instead. I found this confusing, because although I could clearly see that $\overline{F}$ ought to be algebraically closed, it was not yet established. Mar6 awarded Popular Question Feb27 answered Evaluate and simplify an expression with $f(x)=\sqrt{1+x}$ and $g(x)=\sqrt{1-x}$ Feb26 comment Questions about Listening To Presented Material That is some elegant penmanship.