Jason (jcreed) wrote,
Jason
jcreed

Dammit. Every time I try to compute the fundamental group of the complement of the trefoil knot in R^3 with Siefert-van Kampen, it comes out Z, but Wikipedia tells me it's supposed to be <x,y|x^2 = y^2>, which I would expect, since it's not the unknot. I wonder what I'm doing wrong.
Subscribe

  • (no subject)

    Some further progress cleaning up the https://xkcd.com/1360/ -esque augean stables that is my hard drive. Tomato chicken I made a couple days ago…

  • (no subject)

    Did some personal archaeology. Helped a little with laundry. Threw some chicken, onions, tomato, stock, peppers in the slow cooker and hopefully…

  • (no subject)

    Dinner with akiva and dannel at nuevo portal in carroll gardens. Ate a pile of chicken stew and rice and beans and maduros, good times. I do miss…

  • Post a new comment

    Error

    Anonymous comments are disabled in this journal

    default userpic

    Your reply will be screened

    Your IP address will be recorded 

  • 6 comments