Reading Is Fundamental — just ask Beth Webb. An ESE teacher at Jim Allen Elementary, Webb received her first RIF book, "Kangaroo Stew," by Norman Bridwell, when she was about 6. She still owns that ...

Let X be a one-dimensional space which contains a copy C of a circle and let it not be semi-locally simply connected at any point on C. Then the fundamental group of X cannot be embeddable into a free ...

A classification is given for groups which can occur as the fundamental group of some compact 3-manifold. In most cases we are able to determine the topological structure of a compact 3-manifold whose ...