Topological radon transforms and degree formulas for dual varieties

Yutaka Matsui, Kiyoshi Takeuchi

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We give a simpler and purely topological proof of Ernström's class formula (1997) for the degree of dual varieties. Our new proof also allows us to obtain a formula describing the degrees of the associated varieties studied by Gelfand, Kapranov and Zelevinsky (1994).

Original languageEnglish
Pages (from-to)2365-2373
Number of pages9
JournalProceedings of the American Mathematical Society
Issue number7
Publication statusPublished - 2008 Jul
Externally publishedYes

ASJC Scopus subject areas

  • Mathematics(all)
  • Applied Mathematics


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