为何要引入同伦群,同伦群可以解决什么问题? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseCube, Spaghetti, Catfish, Crumpled paper, Spices, Minaret, Table, Fishing rod, Quail, Pavilion, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #2582


anonymous
anonymous
sketch #5261


anonymous
anonymous
sketch #4710


anonymous
anonymous
sketch #5330 Frozen by Amanda Kachadurian


Tom Kelly
sketch #643 Happy Valentines


anonymous
anonymous
sketch #4310 robot


anonymous
anonymous
sketch #4191


Gabriela Segura
sketch #2740 Monster by Gabriela Segura


anonymous
anonymous
sketch #4632


anonymous
anonymous
sketch #3327 Megaman by Abdelwahab Haik


anonymous
anonymous
sketch #5277 League of Legends champions by Sylvie Rieux


anonymous
anonymous
sketch #21085 Tobirama by Enrique L. Manly


anonymous
anonymous
sketch #4869 Madara by Jean-Benoit Renaud


Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul


Jayme Sousa
sketch #2729 Luffy by Jayme Sousa


anonymous
anonymous
sketch #4896


anonymous
anonymous
sketch #5250


anonymous
anonymous
sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu


anonymous
anonymous
sketch #2892 Joker by Frank Aguiar Au


anonymous
anonymous
sketch #3567 Worried Girl by Juvenilia Alexandrino


sketchmaster
sketch #2446 Joker by sketchmaster


anonymous
anonymous
sketch #5351


Sam Torres
sketch #2723 by Sam Torres


anonymous
anonymous
sketch #4942 Woman by Abbie Hayman


anonymous
anonymous
sketch #4661 Woodpecker by Hsien-Ying Hsieh


Melissa Cogo
sketch #734 ytsfsfsdhgdhgf


anonymous
anonymous
sketch #5086 Lion by Z Ionut Ady

tomski为何要引入同伦群,同伦群可以解决什么问题? 知乎 coloring