4 citations
- Nagoya UniversityJP2 papers
- Nagoya Gakuin UniversityJP1 paper
- Nagoya Industrial Science Research InstituteJP1 paper
- Nagoya Institute of TechnologyJP1 paper
- Nagoya University HospitalJP1 paper
- Oulu University of Applied SciencesFI1 paper
- RIKEN Nishina CenterJP1 paper
- Science and Technology Facilities CouncilGB1 paper
2 papers
astro-ph.SR2026
The First Four Ground-Level Enhancements in the 1940s: Investigation, Digitisation, and Analysis of Forgotten Data
Hisashi Hayakawa, Stepan Poluianov, Sergey Koldobskiy +4
Intense solar eruptions occasionally accelerate solar energetic particles (SEPs) and can trigger ground-level enhancements (GLEs). Among the 77 known GLEs, the first four GLEs, #1…
math.LO2006★ 4 cited
Kurepa-trees and Namba-forcing
Bernhard Koenig, Yasuo Yoshinobu
We show that compact cardinals and {\rm MM} are sensitive to -closed forcings for arbitrarily large . This is done by adding 'regressive' -Kurepa-trees in either case. We…