Definition of Murasugi sum

1. Noun. 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. ¹

2. Noun. The union of links formed by taking such a sum of their Seifert surfaces and taking the boundary of the result. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Murasugi Sum

Munshiganj District
Munson's sign
Munster
Munster Irish
Muntenia
Muntiacus
Muntingia
Muntingia calabura
Muntz metal
Munukutuba
Munyarwand
Muppet
Muppets
Murad
Muraenidae
Murasugi sum
Murasugi sums
Murcia
Murcian
Murcians
Murdoch
Muriel
Muriel Sarah Spark
Muriel Spark
Murillo
Muritaniya
Murmansk
Muroidea
Murphy
Murphy's Law

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