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This book presents a new result in 3-dimensional topology. It is well known that any closed oriented 3-manifold can be obtained by surgery on a framed link in S 3. In Global Surgery Formula for the Casson-Walker Invariant, a function F of framed links in S 3 is described, and it is proven that F consistently defines an invariant, lamda (l), of closed oriented 3-manifolds. l is then expressed in terms of previously known invariants of 3-manifolds. For integral homology spheres, l is the invariant introduced by Casson in 1985, which allowed him to solve old and famous questions in 3-dimensional topology. l becomes simpler as the first Betti number increases. As an explicit function of Alexander polynomials and surgery coefficients of framed links, the function F extends in a natural way to framed links in rational homology spheres. It is proven that F describes the variation of l under any surgery starting from a rational homology sphere. Thus F yields a global surgery formula for the Casson invariant.

Chirurgie (Topologie) --- Drie-menigvuldigheden (Topologie) --- Heelkunde (Topologie) --- Surgery (Topology) --- Three-manifolds (Topology) --- Trois-variétés (Topologie) --- 3-manifolds (Topology) --- Manifolds, Three dimensional (Topology) --- Three-dimensional manifolds (Topology) --- Low-dimensional topology --- Topological manifolds --- Differential topology --- Homotopy equivalences --- Manifolds (Mathematics) --- Topology --- 515.16 --- 515.16 Topology of manifolds --- Topology of manifolds --- 3-manifold. --- Addition. --- Alexander polynomial. --- Ambient isotopy. --- Betti number. --- Casson invariant. --- Change of basis. --- Change of variables. --- Cobordism. --- Coefficient. --- Combination. --- Combinatorics. --- Computation. --- Conjugacy class. --- Connected component (graph theory). --- Connected space. --- Connected sum. --- Cup product. --- Determinant. --- Diagram (category theory). --- Disk (mathematics). --- Empty set. --- Exterior (topology). --- Fiber bundle. --- Fibration. --- Function (mathematics). --- Fundamental group. --- Homeomorphism. --- Homology (mathematics). --- Homology sphere. --- Homotopy sphere. --- Indeterminate (variable). --- Integer. --- Klein bottle. --- Knot theory. --- Manifold. --- Morphism. --- Notation. --- Orientability. --- Permutation. --- Polynomial. --- Prime number. --- Projective plane. --- Scientific notation. --- Seifert surface. --- Sequence. --- Summation. --- Symmetrization. --- Taylor series. --- Theorem. --- Topology. --- Tubular neighborhood. --- Unlink.