murasugi sum

English - English

Definition of murasugi sum in English English dictionary

The union of links formed by taking such a sum of their Seifert surfaces and taking the boundary of the result

The union of a finite sequence of surfaces taken over a disk common to every adjacent pair of the sequence, such that the boundary of the disk comprises some even number of closed arcs, disjoint except at their endpoints, which are alternatingly subarcs of the two surfaces' boundaries

Related Terms

Murasugi sums

plural form of Murasugi sum

Etymology

() After Kunio Murasugi.