Murasugi sums

A form of Murasugi sum — 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.

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Meanings

noun
  1. pluralplural of Murasugi sum
Cite this entry
APA

Murasugi sums. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Murasugi%20sums

MLA

“Murasugi sums.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Murasugi%20sums. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Murasugi sums,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Murasugi%20sums.

Source: Murasugi sums on Wiktionary, CC BY-SA 4.0.