Title: The One-Way Linear Effect, a first order optical effect Subject: Heliyon, 9 (2023) e19590. doi:10.1016/j.heliyon.2023.e19590 Keywords: Light propagation,Sagnac effect,One-way speed of light,Relative simultaneity,Lorentz invariance Author: Gianfranco Spavieri Creator: Elsevier Producer: Acrobat Distiller 8.1.0 (Windows) CreationDate: Tue Sep 26 21:27:51 2023 ModDate: Tue Sep 26 22:14:44 2023 Tagged: yes Form: none Pages: 8 Encrypted: no Page size: 544.252 x 742.677 pts (rotated 0 degrees) File size: 767207 bytes Optimized: yes PDF version: 1.7