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Alex Kontorovich
AlexKontorovich
Ok, take the quadratic polynomialf(n) = n^2-n+41,and notice that f(1)=41, f(2)=43, ... f(40)=1601 are *all* prime. There's a rather deep reason for this. (Thread)The discriminant of the quadratic isD =
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Irish History Bitesize!
lorraineelizab6
#Otd Feast Day of St Kilian (d. 689), Irish missionary bishop & Apostle of #Franconia (now N #Bavaria). Aka Killian Chillian, Cilian, Cillian. Born to noble parents c 640 in
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michael eliason
holz_bau
it's interesting to me, that in my @Treehugger piece on how bad the US architecture and construction industries are - everyone latches on to the single stair issue.https://www.treehugger.com/america-architecture-construction-industry-br
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Kevin H. Wilson
khayeswilson
Just finished responding to a great referee report. As per tradition, a twitter thread! Warning: This one is about pure mathematics and is a bit long. https://arxiv.org/abs/1704.01729 Some background. Number
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Bundesliga Brasil 2
bundesliga_br2
Especial dos 127 clubes participantes da 2. Bundesliga A primeira edição da 2. Bundesliga ocorreu na temporada 1974-75 com 40 clubes disputando a divisão de acesso, sendo divido por Liga
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Riseup4Rojava
RISEUP4R0JAVA
Footage of ActionsFollow and share this thread for pictures and videos of actions around the world, showing that this is our common revolution that we continue defending wherever we are!From
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