https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1650000/full
Frontiers | Spacelike surface families interpolating common asymptotic curves in Minkowski 3-space
In this paper, we propose a method for constructing families of spacelike surfaces in Minkowski 3-spaceE13 that share Bertrand curves as asymptotic curves. B...
asymptotic curvesfrontiersspacelikesurfacefamilies
https://www.physicsforums.com/threads/lorentz-invariance-of-the-feynman-propagator-for-timelike-and-spacelike-separated-events.225513/
Lorentz invariance of the Feynman propagator for timelike and spacelike separated events • Physics...
[SOLVED] Quantum Field Theory: Field Operators and Lorentz invariance Hi there, I am currently working my way through a book an QFT (Aitchison/Hey) and...
lorentz invarianceof thefeynman propagatortimelikespacelike