Tags » Group Theory

|HK|=|H||K|/|H intersect K|

Finally, the LaTeX path not specified problem has been solved by WordPress!

This post is about how to prove that , where and are finite subgroups of a group . 81 more words


A Little More on the Graph Isomorphism Algorithm

Looking at some of its components

From source, our congrats too

Laci Babai’s first talk a week ago Tuesday is now a webcast here… 1,235 more words


Order of a^k (Group Theory)

Sincere thanks to readers who have completed the Free Personality Quiz!

Today we will revise some basic Group Theory. Let be a group and . 77 more words


Professor Weasel's Weaving Game Theory

The object of life’s cooperative game,
began Professor Weasel
in his low-voiced stealthy ways,
is to continue deferring to Others
with mutually subsidiary
positive intention… 96 more words

What is a covering space?

We’ve briefly covered fundamental groups before, and also I’ve talked about what geometric group theory is (using spaces to explore groups and vice versa). One way to connect a group to a space is to look at a covering space associated to that group. 1,104 more words