Singapore Maths Tuition
For beginners in Group Theory, the basic method to prove that a subgroup is normal in a group is to show that “left coset = right coset”, i.e. 217 more words
9 months, 3 weeks ago
Think for yourself
in which we meet the quaternions, start exploring matrix groups and act with matrices on vectors and on matrices.
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10 months, 2 weeks ago
in which we explore conjugacy classes in and , and prove that is simple.
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in which we explore groups of order 6 and make a start on quotients.
834 more words
11 months ago
in which we apply group theory to prove Fermat-Euler, use Lagrange to help us find subgroups or determine what a small group must look like, and meet normal subgroups. 868 more words