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K. Uchiyama

19 papers hereh-index 12541 citations74 works total

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

author position
  • sole author19

Across the 19 of 19 papers where every author was matched, so the position is known.

fields
  • math.PR19
same name
  • K. Uchiyama — 8 papers, h 7
  • K. Uchiyama — 5 papers, h 5
  • K. Uchiyama — 1 paper, h 3
  • K. Uchiyama — 1 paper, h 4

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
20102021
most citedAsymptotics of the densities of the first passage time distributions for Bessel diffusions

7 citations · 22 across the 17 of their papers we have counts for

collaborators
Showing 2016Show all

3 papers · 1 filter

math.PR2016★ 4 cited

Asymptotic behaviour of a random walk killed on a finite set

Kohei Uchiyama

We study asymptotic behavior, for large time n, of the transition probability of a two-dimensional random walk killed when entering into a non-empty finite subset A. We show th…

math.PR2016

The transition density of Brownian motion killed on a bounded set

Kohei Uchiyama

We study the transition density of a standard two-dimensional Brownian motion killed when hitting a bounded Borel set A. We derive the asymptotic form of the density, say $p^A_t(…

math.PR2016

One dimensional random walk killed on a finite set

Kohei Uchiyama

We study the transition probability, say pAn​(x,y), of a one-dimensional random walk on the integer lattice killed when entering into a non-empty finite set A. The random walk…

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