. . . "9802"^^ . . . . . . . . . . "7066452"^^ . . . "In 3-dimensional topology, a part of the mathematical field of geometric topology, the Casson invariant is an integer-valued invariant of oriented integral homology 3-spheres, introduced by Andrew Casson. Kevin Walker (1992) found an extension to rational homology 3-spheres, called the Casson\u2013Walker invariant, and Christine Lescop (1995) extended the invariant to all closed oriented 3-manifolds."@en . "\u30AD\u30E3\u30C3\u30BD\u30F3\u4E0D\u5909\u91CF"@ja . . . . . . . "\u6570\u5B66\u306E\u4E00\u5206\u91CE\u3067\u3042\u308B\u5E7E\u4F55\u5B66\u7684\u30C8\u30DD\u30ED\u30B8\u30FC\u306E(3-dimensional topology)\u3067\u306F\u3001\u30AD\u30E3\u30C3\u30BD\u30F3\u4E0D\u5909\u91CF(Casson invariant)\u306F\u3001(Andrew Casson)\u306B\u3088\u308A\u5C0E\u5165\u3055\u308C\u305F\u5411\u304D\u4ED8\u3051\u53EF\u80FD\u306A\u6574\u6570(homology 3-sphere)\u306E\u6574\u6570\u5024\u4E0D\u5909\u91CF\u3067\u3042\u308B\u3002 \u30B1\u30EB\u30D3\u30F3\u30FB\u30A6\u30A9\u30FC\u30AB\u30FC(Kevin Walker)\u306F\u30011992\u5E74\u306B\u3001\u30AD\u30E3\u30C3\u30BD\u30F3\u30FB\u30A6\u30A9\u30FC\u30AB\u30FC\u4E0D\u5909\u91CF(Casson-Walker invariant)\u3068\u547C\u3070\u308C\u308B(rational homology 3-sphere)\u306E\u62E1\u5F35\u3092\u767A\u898B\u3057\u3001\u30AF\u30EA\u30B9\u30C6\u30A3\u30FC\u30CC\u30FB\u30EC\u30B9\u30B3\u30C3\u30D7\u306F\u30011995\u5E74\u306B\u3059\u3079\u3066\u306E\u9589\u3058\u305F\u306A\u5411\u304D\u3064\u3051\u3089\u308C\u305F(3-manifold)\u3078\u62E1\u5F35\u3057\u305F\u3002"@ja . . . . "In 3-dimensional topology, a part of the mathematical field of geometric topology, the Casson invariant is an integer-valued invariant of oriented integral homology 3-spheres, introduced by Andrew Casson. Kevin Walker (1992) found an extension to rational homology 3-spheres, called the Casson\u2013Walker invariant, and Christine Lescop (1995) extended the invariant to all closed oriented 3-manifolds."@en . "\u6570\u5B66\u306E\u4E00\u5206\u91CE\u3067\u3042\u308B\u5E7E\u4F55\u5B66\u7684\u30C8\u30DD\u30ED\u30B8\u30FC\u306E(3-dimensional topology)\u3067\u306F\u3001\u30AD\u30E3\u30C3\u30BD\u30F3\u4E0D\u5909\u91CF(Casson invariant)\u306F\u3001(Andrew Casson)\u306B\u3088\u308A\u5C0E\u5165\u3055\u308C\u305F\u5411\u304D\u4ED8\u3051\u53EF\u80FD\u306A\u6574\u6570(homology 3-sphere)\u306E\u6574\u6570\u5024\u4E0D\u5909\u91CF\u3067\u3042\u308B\u3002 \u30B1\u30EB\u30D3\u30F3\u30FB\u30A6\u30A9\u30FC\u30AB\u30FC(Kevin Walker)\u306F\u30011992\u5E74\u306B\u3001\u30AD\u30E3\u30C3\u30BD\u30F3\u30FB\u30A6\u30A9\u30FC\u30AB\u30FC\u4E0D\u5909\u91CF(Casson-Walker invariant)\u3068\u547C\u3070\u308C\u308B(rational homology 3-sphere)\u306E\u62E1\u5F35\u3092\u767A\u898B\u3057\u3001\u30AF\u30EA\u30B9\u30C6\u30A3\u30FC\u30CC\u30FB\u30EC\u30B9\u30B3\u30C3\u30D7\u306F\u30011995\u5E74\u306B\u3059\u3079\u3066\u306E\u9589\u3058\u305F\u306A\u5411\u304D\u3064\u3051\u3089\u308C\u305F(3-manifold)\u3078\u62E1\u5F35\u3057\u305F\u3002"@ja . . . . . . . . . . . . . . . . . . . . "Casson invariant"@en . . "1084145587"^^ . .