3 papers
quant-ph2020
An Introduction to time generation on Algebraic Quantum Field Theory
Tadashi Fujimoto
In the early 2000s, the study of time operators advanced as one of the methods to understand the problem of time as mathematical science. However, the starting point for the time o…
quant-ph2014
When does "Time" become "Observable" ?
Tadashi Fujimoto
We investigate some spectral properties of time operators which are obtained through Canonical Commutation Relation (CCR) and Positive Operator Valued Measure (POVM) of quantum phy…
physics.hist-ph2011
Time representation on the Beginning of space-time -- From a philosophical and mathematical view
Tadashi Fujimoto
I would like to consider the Beginning of space-time in this paper. First of all, we do consideration historical thought. A lot of philosophers have considered the relation between…