主要論文 |
- S. Fuchino, A.O.M. Rodorigues and H. Sakai,
Strong downward Lowenheim-Skolem therorems for stationary logics, II.
Archive for Mathematical Logic 60 (2021), no.3-4, 495-523.
- S. Fuchino, A.O.M. Rodorigues and H. Sakai,
Strong downward Lowenheim-Skolem therorems for stationary logics, I.
Archive for Mathematical Logic 60 (2021), no.1-2, 17-47.
- H. Sakai,
On Katetov and Katetov-Blass orders on analytic P-ideals and Borel ideals.
Archive for Mathematical Logic 57 (2018), no.3-4, 317-327.
- J. Bagaria, M. Magidor and H. Sakai,
Reflection and indescribability in the constructible universe.
Israel Journal of Mathematics 208 (2015), 1-11.
- H. Sakai,
Simple proofs of SCH from reflection principles without using better scales.
Archive for Mathematical Logic 54 (2015), no.5, 639-647.
- H. Sakai and B. Velickovic,
Stationary reflection principles and two cardinal tree properties.
Journal of the Institute of Mathematics of Jussieu 14 (2015), no.1, 69-85.
- H. Sakai,
Chang's conjecture and weak square.
Archive for Mathematical Logic 52 (2013), no.1-2, 29-45.
- H. Sakai,
Semistationary and stationary reflection.
Journal of Symbolic Logic 73 (2008), no.1, 181-192.
- H. Sakai,
Semiproper ideals.
Fundamenta Mathematicae 186 (2005), no.3, pp.251-267.
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