minaret
发表于 2025-3-23 13:02:38
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opalescence
发表于 2025-3-23 14:38:54
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有抱负者
发表于 2025-3-23 21:07:53
Rob C. H. M. Oudejans,Hans Voshol,Thomas K. F. Schulz,Ad M. T. Beenakkerson this theme, which started at the Univer,ity of Kent in Canterbury in 1985 and was continued at the Univer,iU de, Science, et Technique, du Languedoc in Montpellier in 1989. Since the start of this series of Conferences the research fields under consideration have evolved quite a lot. The number o
横条
发表于 2025-3-23 22:38:29
Hugo Schooneveld,Jan A. Veenstraderstand why logic is connected with the standard model of physics and the quantum structure of spacetime, respectively. “It is not the substance which is in space,” as Alfred North Whitehead had pointed out, “but the attributes”. Accordingly, as we consider the Dirac algebra Mat(4, C), annihilation
大笑
发表于 2025-3-24 04:54:31
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不开心
发表于 2025-3-24 07:20:24
James T. Warren,Lawrence I. Gilbertess particle with a non-vanishing helicity . A relativistic extended phase space of a massive spinning charged particle may be regarded as “embedded” in a two twistor phase space . which is simply . with its diagonal deleted (in the sense of a symplectic reduction). We describe a
哪有黄油
发表于 2025-3-24 11:03:04
Noelle A. Granger,Walter G. Goodman po sition X, its relativistic linear (four) momentum P and also its so-called Lorentz (four) angular momentum E # 0, the latter forming four trans lation invariant part of its total angular (four) momentum M. Expressing these variables in terms of Poincare covariant real valued functions defined
HAVOC
发表于 2025-3-24 16:13:24
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Jingoism
发表于 2025-3-24 20:17:12
erein equations of motion are formulated a posteriori. But a view is offered where well known properties of spacetime and fields are outcomes of one and the same generative process or grammar. This approach is based theoretically on Clifford algebras and practically supported by the computer algebra
戏服
发表于 2025-3-24 23:52:13
Analytic Immunologic Techniques,changes in naturally occurring antigens (Ags) from insects. Antisera, which are solutions of the natural defense secretions produced by vertebrate immune systems in response to foreign antigens, can be used as analytic reagents to make quantitative as well as qualitative measurements of these insect