By Dale Rolfsen
Rolfsen's attractive booklet on knots and hyperlinks will be learn by way of an individual, from newbie to professional, who desires to know about knot concept. newbies locate an inviting creation to the weather of topology, emphasizing the instruments wanted for figuring out knots, the basic crew and van Kampen's theorem, for instance, that are then utilized to concrete difficulties, reminiscent of computing knot teams. For specialists, Rolfsen explains complex subject matters, comparable to the connections among knot idea and surgical procedure and the way they're worthwhile to knowing three-manifolds.
Besides offering a consultant to realizing knot thought, the publication deals "practical" education. After interpreting it, it is possible for you to to do many stuff: compute shows of knot teams, Alexander polynomials, and different invariants; practice surgical procedure on three-manifolds; and visualize knots and their enhances. it really is characterised by way of its hands-on process and emphasis on a visible, geometric knowing.
Rolfsen bargains precious perception and moves an ideal stability among giving technical information and supplying casual motives. The illustrations are wonderful, and a wealth of examples are integrated.