All Videos Channels
  1. Homomorphism of ring and ideal, quotient ring

    Homomorphism of ring and ideal, quotient ring

    20
    3
    7
  2. Polynomial ring over rationals

    Polynomial ring over rationals

    21
    4
    5
  5. Polynomial over a commutative ring

    Polynomial over a commutative ring

    23
    3
    7
  9. Show e really exists in one page

    Show e really exists in one page

    21
    5
    7
  10. Gaussian integer and Fermat theorem

    Gaussian integer and Fermat theorem

    34
    6
    8
  11. Ring theory lecture - definition

    Ring theory lecture - definition

    19
    2
    11
  12. Counting formula in Group theory

    Counting formula in Group theory

    35
    7
    15
  13. Permutation group (Symmetric group)

    Permutation group (Symmetric group)

    17
    1
    2
  14. Construction in categories: product/coproduct, equalizer/coequalizer, Pushout/pullbacks

    Construction in categories: product/coproduct, equalizer/coequalizer, Pushout/pullbacks

    35
    4
    14
  15. More easy mathematical induction exercise

    More easy mathematical induction exercise

    28
    3
    2
  17. Can you prove this: square root of 2 of 2= square root of 2 to the power square root of 2

    Can you prove this: square root of 2 of 2= square root of 2 to the power square root of 2

    33
    6
    6
  18. 黎曼猜想 What is Riemann hypothesis (14): Higher L function

    黎曼猜想 What is Riemann hypothesis (14): Higher L function

    27
    4
    10
  19. Correspondence theorem in Group theory and third isomorphism theorem

    Correspondence theorem in Group theory and third isomorphism theorem

    22
    3
    30
  20. Volume of sphere, Cone, Pyramid

    Volume of sphere, Cone, Pyramid

    8
    1
    15
  21. How to put 20 equilateral triangles on sphere

    How to put 20 equilateral triangles on sphere

    25
    4
    17
  22. Cardano’s formula: Cubic equation

    Cardano’s formula: Cubic equation

    18
    3
    2
  23. Trigonometry: Product of sin(kpi/n) from k=1 to n-1

    Trigonometry: Product of sin(kpi/n) from k=1 to n-1

    27
    2
    7
  24. Field theory (Abstract Algebra)

    Field theory (Abstract Algebra)

    22
    4
    60