Oskar Henriksson  

@0skarHenriksson

Math student at UCPH. Interested in algebra and topology; curious about geometry. My heart burns for a sustainable future – and beautifully typeset mathematics.

Lund, Sweden
Vrijeme pridruživanja: svibanj 2017.

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  1. proslijedio/la je Tweet
    24. pro 2019.

    Yoga (plate-asana) and mathematics: "The fundamental group of SO(3) contains an element of order two."

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  2. Etingof is also a great lecturer. The opening of this (surprisingly accessible) lecture on tensor cats is pretty hilarious: 😂

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  3. The book that this quote comes from (Introduction to Representation Theory by Etingof et al.) is definitely one of the coolest books I've read on this subject. A wonderful combination of groups, Lie algebras and quivers, with a bunch of really interesting historical interludes 😊

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  5. proslijedio/la je Tweet
    31. lis 2019.

    Behold! The complex is unbounded, the differentials mysterious, and the extension problems abundant 👻👻👻 👻👻👻 👻👻👻

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  6. proslijedio/la je Tweet
    5. lis 2019.

    there's soo many commutative groups .. there's like A-belian of them

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    7. ruj 2019.
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    1. ruj 2019.
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    18. kol 2019.

    Mike Shulman on why mathematics doesn't collapse when there are wrong proof and theorems out there with nice examples from recent history.

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    Alan Turing, World War Two codebreaker and mathematician, will be the face of new Bank of England £50 note

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  11. proslijedio/la je Tweet
    14. lip 2019.

    Okay, but this is actually the nicest spectral sequence calculation ever

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  12. proslijedio/la je Tweet
    13. svi 2019.

    Y’all ever study covering spaces and then you’re hungry for pancakes?

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  13. proslijedio/la je Tweet
    5. svi 2019.

    Our free, interactive, online interactive book about linear algebra is done! Finally! Help us celebrate by RT:ing

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  14. proslijedio/la je Tweet
    14. ožu 2019.

    As we celebrate (3/14 in US date notation), consider that every shape has a shape constant.

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  15. proslijedio/la je Tweet
    9. velj 2019.

    Which Springer Graduate Text in Mathematics are you?

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  16. proslijedio/la je Tweet
    4. velj 2019.

    Heinrich Hertz after proving the existence of radio waves stated that "it's of no use whatsoever" and regarding the applications of the discovery: "Nothing, I guess"

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  17. proslijedio/la je Tweet
    4. velj 2019.

    A knot and another knot may not be the same knot, though the knot group of the knot and the other knot's knot group differ not; BUT if the knot group of a knot is the knot group of the not knotted knot, the knot is not knotted. (Author unknown)

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  18. A really neat primer to elliptic curves! Definitely something I hope to learn more about this semester.

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  19. proslijedio/la je Tweet
    Odgovor korisnicima i sljedećem broju korisnika:

    “How to give a good colloquium”, by John McCarthy, contains a lot of good, specific advice (though some outdated):

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  20. proslijedio/la je Tweet

    The weird thing about math is you can be struggling to climb this mountain, then conquer the mountain, and look out from the top only to find you're only a few feet from where you started.

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