{"product_id":"infinitesimally-central-extensions-of-chevalley-groups-von-w-l-j-van-der-kallen","title":"Infinitesimally Central Extensions of Chevalley Groups","description":"\u003cp\u003eConventions.- Universal central extensions. Central trick.- Degenerate sums. The extension r :     .- The action ¿. Structure of g*Z, g*R.- Admissible lattices and the category LV. ?-connected components.- The G-module ker ?.- G-invariant [p]-structures.- The extension ? : G* ? G.- Extensions of G by a G-module.- The hochschild groups.- The existence of ? : G* ? G.- Relations in the open cell.- Representatives in G* of the Weyl group.- The theorem of generators and relations and its consequences.- The group functor G*.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9783540065593\"\u003e\u003ch3\u003e\u003c\/h3\u003e\u003c\/div\u003e","brand":"Libri","offers":[{"title":"Softcover - 9783540065593","offer_id":39426418704477,"sku":"9783540065593","price":26.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/8ba08b80-e3e3-499f-b47d-b9a7327b02f0.jpg?v=1772259052","url":"https:\/\/shop.autorenwelt.de\/products\/infinitesimally-central-extensions-of-chevalley-groups-von-w-l-j-van-der-kallen","provider":"Autorenwelt Shop","version":"1.0","type":"link"}