expository
发表于 2025-3-23 10:55:33
Ghost Fields and Gauge Modes in One-Loop Quantum Cosmologyed phase-space method of Batalin, Fradkin and Vilkovisky to the spin-1 field, which is described by a constrained Hamiltonian system with first-class constraints. The charge . and the gauge-fixed action are derived. The Lorentzian path integral is restricted to the trajectories of the extended phase
Evocative
发表于 2025-3-23 16:53:28
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Isthmus
发表于 2025-3-23 18:15:11
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无畏
发表于 2025-3-23 23:09:08
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整洁漂亮
发表于 2025-3-24 03:53:06
Lorentzian Geometry, , Theories and Singularities in Cosmologyrelations between topology and curvature. We then define spinor structures in general relativity, and the conditions for their existence are discussed. The causality conditions are studied through an analysis of strong causality, stable causality and global hyperbolicity. In looking at the asymptoti
seroma
发表于 2025-3-24 08:20:10
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小故事
发表于 2025-3-24 14:02:40
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nitric-oxide
发表于 2025-3-24 16:03:36
Conclusions (2) theory of SL(2,C) spinors, SU(2) spinors and the Dirac operator; (3) twistor theory in flat space and complex manifolds; (4) self-adjointness theory; (5) constrained Hamiltonian systems and path integrals in quantum field theory; (6) spinor, causal, asymptotic and Hamiltonian structure of space-time; (7) singularity theory in cosmology.
Anticlimax
发表于 2025-3-24 23:01:55
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方便
发表于 2025-3-25 02:35:58
the ISO 14040 Life Cycle Impact Assessment (LCIA) methodology. The paper discusses the approach to adapt the selection of impact categories and category indicators, assignment of life cycle inventory results, and calculation of category indicator results from LCIA for risk impact assessment. Issues