Let $G$ be a free product of finitely many finite groups with amalgamated subgroup. Using coset diagrams, a recurrence relation is obtained for the number of ...

The latest Annual Performance Review totals for local school districts were reported Wednesday, but there's more to evaluating public schools' performance than an overall percentage. Missouri ...

Scores for science, which had new testing last year, were not out as of Monday, but last year, TAES scored 13% higher than the state average. The only grade where TAES scored under the state average ...

Summary Using elementary combinatorics and linear algebra, we compute the number of subgroups of index 2 in any finite group. This leads to necessary and sufficient conditions for groups to have no ...