Some Other “No Hole” Spacetimes Properties Are Unstable Too Juliusz Doboszewski OriginalPaper Open access 14 March 2020 Pages: 379 - 384
The Big Bang is a Coordinate Singularity for \(k = -1\) Inflationary FLRW Spacetimes Eric Ling OriginalPaper Open access 02 March 2020 Pages: 385 - 428
The Doppler Effect and the Anisotropy of the Speed of Light Michał DrągowskiMarta Włodarczyk OriginalPaper Open access 04 April 2020 Pages: 429 - 440
Unitary-Only Quantum Theory Cannot Consistently Describe the Use of Itself: On the Frauchiger–Renner Paradox R. E. Kastner OriginalPaper 09 March 2020 Pages: 441 - 456
Polarization of Vacuum Fluctuations: Source of the Vacuum Permittivity and Speed of Light G. B. MainlandBernard Mulligan OriginalPaper Open access 27 March 2020 Pages: 457 - 480
Contextual Emergence of Physical Properties Robert C. BishopGeorge F. R. Ellis OriginalPaper 18 February 2020 Pages: 481 - 510
Correction to: Gleason-Type Theorems from Cauchy’s Functional Equation Victoria J. WrightStefan Weigert Correction 15 April 2020 Pages: 511 - 514