Euclid Point
@euclidpoint
Tweeting interesting theorems and mathematical facts! | "A point is that which has no part." -- Euclid's Elements, Book 1, Definition 1.
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This graph of CDN hits from jsDelivr shows that TeXMe usage goes down over the weekends in a very consistent manner. The usage peaks on Mondays and Thursdays! TeXMe is a tiny utility to create self-rendering Markdown + LaTeX documents. See github.com/susam/texme for details.
ASCII control codes, XON/XOFF, and Bash/Zsh incremental search: spxy.github.io/live/
Strikethrough text on terminal with Unicode: printf "%s\xcc\xb6" h e l l o Or try this: python3 -c "print('hello'.replace('', '\u0336')[1:])" Pipe those commands through the command od -tcx1 to see what is going on. See fileformat.info/info/unicode/c… for more details.
![susam's tweet image. Strikethrough text on terminal with Unicode:
printf "%s\xcc\xb6" h e l l o
Or try this:
python3 -c "print('hello'.replace('', '\u0336')[1:])"
Pipe those commands through the command od -tcx1 to see what is going on. See fileformat.info/info/unicode/c… for more details.](https://pbs.twimg.com/media/E9ot9wEVgAYF0It.jpg)
The 100th analytic number theory book club meeting is coming up in a few hours today! This special occasion calls for a blog post: offbeat.cc/blog/the-100th… As always, you are very welcome to join these meetings if you are interested in number theory.
Our 99th meeting will begin at 17:00 UTC. Yes, it is the 99th! We will see why ζ(s) = 0 for s = -2, -4, -6, -8, ..., that is, we will find the so-called trivial zeros of the Riemann zeta function. Visit offbeat.cc/#iant to get the meeting link and join us. #mathematics
The 99th analytic number theory book club meeting will begin at 17:00 UTC. We will see why ζ(s) = 0 for s = -2, -4, -6, .... (trivial zeros of the Riemann zeta function). Visit offbeat.cc/#iant to get meeting link and join us. Or watch it live at twitch.tv/susampal.
Oskar Perron, a German mathematician, introduced Perron's paradox to illustrate the danger of assuming the existence of a solution to an optimization problem: Let N be the largest positive integer. If N > 1, then N² > N, contradicting the definition of N. Hence N = 1.
It took me a while to realize what this picture on the cover of the book "Introduction to Analytic Number Theory" (Apostol, 1976) really means. Special thanks to @LavaboMouille for helping me interpret this picture correctly.
Released Muboard 0.5.0. It now supports GitHub Flavored Markdown (GFM). GFM extensions like tables, task lists, strikethrough, autolinks, etc. are supported now. Website: muboard.net Source: github.com/susam/muboard #mathematics #latex #javascript #programming
Analytic number theory meetup will begin at 17:00 UTC. Topic: Dirichlet Series and Euler Products. It does not depend a lot on previous topics, so new members are welcome today. Visit offbeat.cc/#iant for meeting link or visit twitch.tv/susampal for live stream.
My choice of colour for syntax-highlighting comments: #fc0 (tangerine yellow). It goes well with dark background. I especially dislike dim colours that underemphasize comments. I like them brightly-coloured! What is your favourite colour for comments? #programming #lisp
Analytic number theory meetup is now live at offbeat.cc/#iant . Meeting starts in 5 minutes at 17:00 UTC. Topic for the day: An application of Legendre symbol to Diophantine equations.
Join twitch.tv/rwxcafe to watch a website development from scratch!
Analytic number theory meeting is now live. We will start today's session in 5 minutes (at 17:00 UTC). Topic of discussion today: The quadratic reciprocity law. Visit offbeat.cc/#iant to get the meeting link and join us.
Analytic number theory meeting today will begin at 17:00 UTC (an hour from now). We will discuss Gauss' lemma. It helps in determining whether an integer is a quadratic residue modulo some prime. It will be a beginner-friendly session. Visit offbeat.cc/#iant to join us.
Analytic number theory meetup today will begin at 17:00 UTC. On the agenda today: Cancellation law in modular arithmetic, periodicity of Legendre's symbol, and evaluation of Legendre's symbols (-1 | p) and (-2 | p). Visit offbeat.cc/#iant to get meeting link and join us.
Note that (1 - i)/(1 + i) = (1 -i)(1 - i)/(1 + i)(1 - i) = -2i/2 = -i = e^(-i𝜋/2). Thus log((1 - i)/(1 + i)) = -i𝜋/2 = 𝜋/(2i). Therefore 𝜋 = 2i log((1 - i)/(1 + i)).
Notes from our last analytic number theory meetup: offbeat.cc/iant/boards/#c… Topics discussed: Properties of induced modulus, conductor of characters, and primitive characters. Visit offbeat.cc to get our meetup link and join us in the next meetup at 17:00 UTC today.
Inspired by a recent discussion on the #commonlisp channel of @LiberaChat, after many years of using Emacs + SLIME + Paredit + Rainbow Delimiters, I finally decided to take the plunge and customize Rainbow Delimiters to change its default muted colours to something more lively!
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