Frank Thorne
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 Apr3 awarded Notable Question Jul2 awarded Curious Jun3 awarded Nice Question Sep10 asked Are congruences difficult for beginners? Sep10 accepted Reference request: the Gaussian is determined by its moments Sep10 comment Reference request: the Gaussian is determined by its moments Cool, will have a look, thank you! Aug26 asked Reference request: the Gaussian is determined by its moments Aug13 awarded Popular Question Jul24 comment $PGL(n + 1)$ acts on sets of $n + 2$ points in $\mathbb{P}^n$ transitively: proof without determinants? Thanks Ted. The key insight missed in my argument above is in "Namely, for any choice...", as it corresponds to where I mucked around with matrix minors. Jul24 accepted $PGL(n + 1)$ acts on sets of $n + 2$ points in $\mathbb{P}^n$ transitively: proof without determinants? Jul22 awarded Yearling Jul22 asked $PGL(n + 1)$ acts on sets of $n + 2$ points in $\mathbb{P}^n$ transitively: proof without determinants? May14 awarded Revival Dec12 asked Do students understand infinite series before they're informally introduced? Oct10 comment Hidden geometrical gems in Euclid's Elements? The course is certainly not remedial. Math majors of mixed background, most of them future high school teachers. In my opinion it's been interesting so far, in the same way that point set topology is interesting (you have to reconsider what's "obvious" strictly in terms of what you've proved so far)... but it's beginning to wear thin. Oct9 asked Hidden geometrical gems in Euclid's Elements? Sep26 awarded Tumbleweed Aug19 awarded Teacher Aug10 comment What is the biggest number ever used in a mathematical proof? I once saw a programming contest along the following lines: Write a C program, under 5K bytes, that outputs the biggest number possible. Assume (contrary to fact) that C can handle arbitrarily large integers and that your program has unlimited computational resources (i.e. memory). The winning entries were amazing. Aug10 awarded Commentator