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researcher

P. S. Kumar

5 papers hereh-index 221 citations4 works total

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

author position
  • sole author1
  • last author4

Across the 5 of 5 papers where every author was matched, so the position is known.

fields
  • math.SP3
  • math.FA2
same name
  • P. S. Kumar — 9 papers, h 13
  • P. S. Kumar — 1 paper, h 6
  • P. S. Kumar — 1 paper, h 3

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
20152018
most citedA note on convexity of sections of quaternionic numerical range

14 citations · 21 across the 5 of their papers we have counts for

collaborators
Showing 2018Show all

1 paper · 1 filter

math.FA2018★ 14 cited

A note on convexity of sections of quaternionic numerical range

P. Santhosh Kumar

The quaternionic numerical range of matrices over the ring of quaternions is not necessarily convex. We prove Toeplitz-Hausdorff like theorem, that is, for any given quaternionic m…

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