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researcher

Michael Usher

28 papers hereh-index 16897 citations42 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author24
  • first author1
  • last author3

Across the 28 of 28 papers where every author was matched, so the position is known.

fields
  • math.SG25
  • math.AT2
  • math.GT1

identity via Semantic Scholar / OpenAlex

activity
20032025
most citedSpectral numbers in Floer theories

76 citations · 308 across the 22 of their papers we have counts for

collaborators
Showing 2015 · math.SGShow all

1 paper · 2 filters

math.SG2015★ 69 cited

Persistent homology and Floer-Novikov theory

Michael Usher, Jun Zhang

We construct "barcodes" for the chain complexes over Novikov rings that arise in Novikov's Morse theory for closed one-forms and in Floer theory on not-necessarily-monotone symplec…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.