Mathematical Bunker

Mathematical Bunker

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    The nine-point circle | plane geometry | intermediate level
    32:01

    The nine-point circle | plane geometry | intermediate level

     14  views
    Arithmetic derivative: an introduction | number theory | advanced level
    28:13

    Arithmetic derivative: an introduction | number theory | advanced level

     13  views
    Brooks' theorem | graph theory | intermediate level
    2:20:53

    Brooks' theorem | graph theory | intermediate level

     7  views
    The Simson line | plane geometry | intermediate level
    16:03

    The Simson line | plane geometry | intermediate level

     23  views
    The symmedians and the tangential triangle of a triangle | plane geometry | advanced level
    30:55

    The symmedians and the tangential triangle of a triangle | plane geometry | advanced level

     22  views
    The Lemoine point of a triangle | plane geometry | advanced level
    13:27

    The Lemoine point of a triangle | plane geometry | advanced level

     17  views
    The Nagel point of a triangle | plane geometry | intermediate level
    15:06

    The Nagel point of a triangle | plane geometry | intermediate level

     3  views
    The Gergonne point of a triangle | plane geometry | intermediate level
    10:08

    The Gergonne point of a triangle | plane geometry | intermediate level

     19  views
    Why any exponential algorithm can in fact be executed in linear time | comput. complexity | advanced
    24:41

    Why any exponential algorithm can in fact be executed in linear time | comput. complexity | advanced

     29  views 2 comments
    The orthocenter of a triangle | plane geometry | elementary level
    13:40

    The orthocenter of a triangle | plane geometry | elementary level

     25  views
    The circumcenter of a triangle | plane geometry | elementary level
    11:14

    The circumcenter of a triangle | plane geometry | elementary level

     29  views
    The incenter of a triangle | plane geometry | elementary level
    12:18

    The incenter of a triangle | plane geometry | elementary level

     12  views
    The centroid of a triangle | plane geometry | elementary level
    6:39

    The centroid of a triangle | plane geometry | elementary level

     25  views
    Van Aubel's theorem about cevians | plane geometry | intermediate level
    20:12

    Van Aubel's theorem about cevians | plane geometry | intermediate level

     31  views 2 comments
    Desargues' theorem | plane geometry | intermediate level
    47:33

    Desargues' theorem | plane geometry | intermediate level

     16  views 1 comment
    The chromatic number of a graph and min degrees of its subgraphs | graph theory | intermediate level
    34:51

    The chromatic number of a graph and min degrees of its subgraphs | graph theory | intermediate level

     17  views
    Deriving Menelaus's theorem from Ceva's theorem | plane geometry | intermediate level
    46:27

    Deriving Menelaus's theorem from Ceva's theorem | plane geometry | intermediate level

     34  views
    Deriving Ceva's theorem from Menelaus's theorem | plane geometry | intermediate level
    17:35

    Deriving Ceva's theorem from Menelaus's theorem | plane geometry | intermediate level

     15  views
    Menelaus's theorem | plane geometry | intermediate level
    21:14

    Menelaus's theorem | plane geometry | intermediate level

     22  views
    Ceva's theorem | plane geometry | intermediate level
    44:20

    Ceva's theorem | plane geometry | intermediate level

     9  views
    Segments between tangency points on opposite sides of a quadrilateral | geometry | intermediate
    15:57

    Segments between tangency points on opposite sides of a quadrilateral | geometry | intermediate

     23  views 1 comment
    Darboux's theorem | mathematical analysis | intermediate level
    27:27

    Darboux's theorem | mathematical analysis | intermediate level

     2  views
    Lagrange's mean value theorem | mathematical analysis | elementary level
    14:46

    Lagrange's mean value theorem | mathematical analysis | elementary level

     14  views
    Rolle's theorem | mathematical analysis | elementary level
    17:31

    Rolle's theorem | mathematical analysis | elementary level

     21  views
    Fermat's theorem (stationary point theorem, interior extremum theorem) | math analysis | elementary
    19:49

    Fermat's theorem (stationary point theorem, interior extremum theorem) | math analysis | elementary

     14  views