Research Output per year

## Fingerprint Dive into the research topics where Fumio Hiroshima is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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Ground State
Mathematics

Electrodynamics
Mathematics

quantum electrodynamics
Physics & Astronomy

radiation distribution
Physics & Astronomy

Functional Integral
Mathematics

Radiation
Mathematics

Quantum Fields
Mathematics

Ultraviolet
Mathematics

##
Network
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## Research Output 1993 2019

### Pointwise Exponential Decay of Bound States of the Nelson Model With Kato-Class Potentials

Hiroshima, F., Jan 1 2019,*Springer Optimization and Its Applications.*Springer International Publishing, p. 225-250 26 p. (Springer Optimization and Its Applications; vol. 146).

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Kato Class

Exponential Decay

Bound States

Martingale

Semigroup

6
Citations
(Scopus)

### Kato’s inequality for magnetic relativistic Schrödinger operators

Hiroshima, F., Ichinose, T. & Lőrinczi, J., Jan 1 2017, In : Publications of the Research Institute for Mathematical Sciences. 53, 1, p. 79-117 39 p.Research output: Contribution to journal › Article

Operator

Vector Potential

Square root

1
Citation
(Scopus)

### Mass Renormalization in the Nelson Model

Hiroshima, F. & Osawa, S., Jan 1 2017, In : International Journal of Mathematics and Mathematical Sciences. 2017, 4760105.Research output: Contribution to journal › Article

Renormalization

Effective Mass

Quantum Field Theory

Ultraviolet

Model

1
Citation
(Scopus)

### P(φ)_{1}-process for the spin-boson model and a functional central limit theorem for associated additive functionals

Gheryani, S., Hiroshima, F., Lőrinczi, J., Majid, A. & Ouerdiane, H., Oct 3 2017, In : Stochastics. 89, 6-7, p. 1104-1115 12 p.Research output: Contribution to journal › Article

Additive Functionals

Functional Central Limit Theorem

Hamiltonians

Bosons

Schwartz Distributions

### Ultra-Weak Time Operators of Schrödinger Operators

Arai, A. & Hiroshima, F., Sep 1 2017, In : Annales Henri Poincare. 18, 9, p. 2995-3033 39 p.Research output: Contribution to journal › Article

Time Operator

operators

Operator

Borel Functions

theorems