Foam evaluation, link homology and the four-color theorem.
科研大讨论系列报告
报告题目(Title)：Foam evaluation, link homology and the four-color theorem
报告人(Speaker)：Mikhail Khovanov （Columbia University）
地点(Place)：后主楼1220
时间(Time)：4月12日（周五）上午10点-11点
邀请人(Inviter)：田垠
报告摘要
Foams are two-dimensional CW-complexes embedded in 3-space that are used in link homology. I explain an evaluation formula for the so-called SL(3) foams and its relation to the Weyl character formula and to link homology. These structures are also closely related to the four-color theorem.
