Bow Tie Teacher

@TeacherBowTie

Maths teacher and occasional wearer of bow ties.

Vrijeme pridruživanja: rujan 2015.

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  1. proslijedio/la je Tweet
    29. sij

    The Jordan-Hölder theorem says that the factors in a composition series are unique up to reordering and isomorphism.

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  2. proslijedio/la je Tweet
    13. sij

    Cayley's theorem: Any group is isomorphic to a subgroup of the set of permutations of its elements.

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  3. proslijedio/la je Tweet
    2. sij

    A group is called simple if it has no normal subgroups other than the identity and the group itself.

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  4. proslijedio/la je Tweet
    30. pro 2019.

    For n >= 5, the alternating group A_n is simple.

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  5. 30. pro 2019.

    When knowing a bit of mechanics can save you money.

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  6. proslijedio/la je Tweet
    20. pro 2019.

    Every permutation can be written as a product of disjoint cycles.

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  7. 19. pro 2019.

    Can someone please take this to its logical conclusion? A single die with the 1 pip upwards and 'how many ones?'. Sadly I am not in school, or would. Alternatively, does anyone have 400 d20s? ()

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  8. 16. pro 2019.
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  9. 16. pro 2019.

    Time to get stuck in to this .

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  10. 15. pro 2019.

    Three of my four methods are unique. Do I win? (That doesn't mean they are the best ones though )

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

    Our latest filmed Student Lecture is the first in the Quantum Theory course for 2nd Year Students. Fernando Alday reflects on the breakdown of the deterministic world and describes experiments that defined the new Quantum Reality. Full lecture

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  12. proslijedio/la je Tweet

    Statistics? You can prove anything with statistics. Even the truth.

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  13. 13. lis 2019.

    A nice Sunday afternoon puzzle for you. What is the area of the circle?

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  14. 10. ruj 2019.

    Pop song about the best recurring decimal? Yes please. #142857

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  15. proslijedio/la je Tweet
    1. ruj 2019.

    The word stifle is an anagram of itself.

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  16. proslijedio/la je Tweet
    15. kol 2019.

    A group is solvable if every factor in its composition series is cyclic.

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  17. 25. srp 2019.

    My goddaughter tried to eat for her lunch. I think that that is praise .

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  18. 20. srp 2019.
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  19. proslijedio/la je Tweet

    The word BID has horizontal symmetry when written in uppercase letters, and vertical symmetry when written in lowercase letters.

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  20. proslijedio/la je Tweet
    21. lip 2019.

    Hey maths teachers, or friends of maths teachers, or friends of friends of maths teachers: we're giving away exciting maths toys agin! Sign up! Or Sign up your friend! Or your friend².

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