"Soft introduction to cohomology"의 두 판 사이의 차이
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imported>Pythagoras0 |
imported>Pythagoras0 |
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| 4번째 줄: | 4번째 줄: | ||
* 17 wallpaper groups | * 17 wallpaper groups | ||
* http://golem.ph.utexas.edu/category/2012/06/cohomology_in_everyday_life.html | * http://golem.ph.utexas.edu/category/2012/06/cohomology_in_everyday_life.html | ||
| + | * Penrose, Roger. 1992. “On the Cohomology of Impossible Figures.” Leonardo 25 (3/4) (January 1): 245–247. doi:10.2307/1575844. | ||
2013년 1월 11일 (금) 07:25 판
examples
- Pythagorean triple and Hilbert theorem 90
- 17 wallpaper groups
- http://golem.ph.utexas.edu/category/2012/06/cohomology_in_everyday_life.html
- Penrose, Roger. 1992. “On the Cohomology of Impossible Figures.” Leonardo 25 (3/4) (January 1): 245–247. doi:10.2307/1575844.
books
carrying and cocycles
- http://terrytao.wordpress.com/2011/06/07/central-extensions-of-lie-groups-and-cocycle-averaging/
- http://blog.mikael.johanssons.org/archive/2006/07/carry-bits-and-group-cohomology/
- http://www.physicsforums.com/showthread.php?t=182195
- Isaksen, Daniel C. 2002. “A Cohomological Viewpoint on Elementary School Arithmetic”. The American Mathematical Monthly 109 (9) (11월 1): 796-805. doi:10.2307/3072368. http://www.jstor.org/stable/3072368