K. P. Hart
Eg e' matematiker/I'm a mathematician
Also: mathsplainer
And: mathstodon.xyz/@hartkp
- Ferdiglest
- Laatste kans, anders gaat het niet door: geschiedenis van het integraalbegrip. www.universiteitleiden.nl/hovo/college...
- Proofs with words, ... xkcd.com/3201/
- Last Thursday in the Pitt Topology Seminar: "An Infinite Library" fa.ewi.tudelft.nl/~hart/37/pub...
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- Ferdiglest
- today: 25 years monorenal
- Net terug uit het zwembad (just back from the swimming pool)
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- Reposted by K. P. HartBREAKING: WATCH the full 60 Minutes CECOT segment here. This was sent to me anonymously. It appears to be the segment CBS' Bari Weiss killed. www.muellershewrote.com/p/watch-the-...
- De praktische informatie over mijn komende HOVOcursus is hier: www.universiteitleiden.nl/hovo/college...
- Reposted by K. P. HartLeaders of a Catholic church in Massachusetts kept a Nativity display with an anti-ICE message in place on Monday, defying an order from the Catholic Archdiocese of Boston to remove it. The display shows Mary, Joseph and baby Jesus missing, replaced by a sign reading “ICE WAS HERE.” trib.al/adPW46y
- On this day in 1873 Cantor wrote a letter to Dedekind with an answer to his question of a week earlier: there is no bijection between ℕ and (0,∞) hartkp.weblog.tudelft.nl/2017/12/07/o...
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- On this day in 1873 Cantor wrote to Dedekind with the question whether there is a bijection between ℕ and (0,∞) hartkp.weblog.tudelft.nl/2017/11/29/o...
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- Wordle 1 610 4/6* ⬜⬜⬜⬜⬜ ⬜⬜🟩⬜⬜ ⬜🟩🟩🟩⬜ 🟩🟩🟩🟩🟩
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- Ik ga weer een HOVOcursus doen in 2026: fa.ewi.tudelft.nl/~hart/onderw...
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- Pythagoras zoekt een nieuwe hoofdredacteur: www.wiskgenoot.nl/index.php?pa...
- #156
- Happy 350th birthday to the integral sign: fa.ewi.tudelft.nl/~hart/37/stu...
- Reposted by K. P. HartFarage: epic grifter
- Reposted by K. P. HartA neat tool I just came across: Viabundus, a digital road map of northern Europe 1350-1650, that lets you calculate contemporary travel routes/times. In 1500, going Amiens → Köln by horse took almost 7 days and 13 toll payments. #medievalsky www.landesgeschichte.uni-goettingen.de/handelsstras...
- De verhouding tussen de afstanden Aarde-Zon en Aarde-Maan afschatten. Hoe deed Aristarchus dat? pyth.eu/aristarchus
- Connected, locally connected, not path-connected? Take a Bernstein set: mathoverflow.net/questions/50...
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