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researcher

Koichi Yamagata

10 papers hereh-index 6206 citations22 works total

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

author position
  • sole author5
  • middle author3
  • last author2

Across the 10 of 10 papers where every author was matched, so the position is known.

fields
  • quant-ph8
  • math.OA1
  • math-ph1
same name
  • Koichi Yamagata — 1 paper

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20172026
most citedMaximum logarithmic derivative bound on quantum state estimation as a dual of the Holevo bound

7 citations · 11 across the 9 of their papers we have counts for

collaborators
Showing math-phShow all

1 paper · 1 filter

math-ph2020★ 3 cited

Quantum monotone metrics induced from trace non-increasing maps and additive noise

Koichi Yamagata

Quantum monotone metric was introduced by Petz,and it was proved that quantum monotone metrics on the set of quantum states with trace one were characterized by operator monotone f…

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