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  • 1
    Electronic Resource
    Electronic Resource
    Mapping of connections on bundles and gauge field theories (1985)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 26 (1985), S. 1162-1164 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The problem of solving the combined gravitational and Yang–Mills field systems is regarded as a purely geometrical problem of determining a linear connection on the principal frame bundle L(M) from a connection on a SU(2) principal bundle over a space-time M. It is suggested that mapping theorems of connections on bundles may provide a means of actually solving "field equations.''
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.526518
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  • 2
    Electronic Resource
    Electronic Resource
    Connections on infinitesimal fiber bundles and unified theories (1985)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 26 (1985), S. 1160-1161 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: We provide an intrinsic coordinate-free formalism of Jordan's version of five-dimensional Kaluza–Klein or projective theory of relativity in terms of the so-called infinitesimal fiber bundles, whose structures are slightly more general than principal fiber bundles with connections. Higher-dimensional generalizations are then suggested, thereby providing a more comprehensive unified theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.526517
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  • 3
    Electronic Resource
    Electronic Resource
    Lorentz action on the space of relative velocities and relativity on a three-manifold (1990)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 31 (1990), S. 1145-1151 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: The space of relative velocities in special relativity has a three-dimensional hyperbolic structure. This provides not only a geometric interpretation of the Einstein velocity addition law, but also a purely three-dimensional reformulation of both special and general relativity on a three-manifold whose tangent bundle is endowed with a hyperbolic distance function on each fiber. Here the basic concepts are that of local physical observers and local time in terms of nonsingular vector fields and their local flows. The hyperbolic structure on the tangent space enables one to define a relative velocity function between two physical observers, as well as space and time measurements and inertial physical observers. It is possible to rederive Lorentz time dilation and gravitational and cosmological redshifts and reformulate Maxwell (or Yang–Mills) equations in a purely three-dimensional framework instead of the traditional four-dimensional space-time approach.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.528796
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  • 4
    Electronic Resource
    Electronic Resource
    Crystal data for 2,9-dimethyl-1,l0-phenanthroline (1969)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 25 (1969), S. 988-988 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740869003311
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  • 5
    Electronic Resource
    Electronic Resource
    Crystal and molecular structure of phenanthridone (1970)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 26 (1970), S. 1629-1630 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740870004594
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  • 6
    Electronic Resource
    Electronic Resource
    Carbonyl Chloride Cycle in Uraemia (1965)
    [s.l.] : Nature Publishing Group
    Nature 205 (1965), S. 908-909 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Urea is formed in the liver in the cycle described by Krebs3, involving the mediation of arginase. In the production of uraemic coma the conversion of urea to carbonyl chloride is involved1. The intermediate steps may be outlined as follows: In the first stage of the reaction one molecule of urea ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/205908b0
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  • 7
    Electronic Resource
    Electronic Resource
    Phosgene Formation in Uræmia (1964)
    [s.l.] : Nature Publishing Group
    Nature 201 (1964), S. 1334-1334 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A state of asthenic uraemia was induced in a set of three dogs (each weighing about 10 kg) by tying both the ureters at operation. The dogs developed uraemic coma with all the associated symptoms and died 80-84 h following the operation. Immediately on death, a sample of blood was collected from ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2011334a0
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  • 8
    Electronic Resource
    Electronic Resource
    A class of singular space-times (1974)
    Springer
    General relativity and gravitation 5 (1974), S. 593-597 
    Details
    ISSN: 1572-9532
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present a singularity theorem for a certain class of space-times. The theorem contains an ‘energy’ condition stronger than Hawking's, but does not require any condition about Cauchy surfaces, normals or time orientability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02451400
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  • 9
    Electronic Resource
    Electronic Resource
    A static cosmological model (1957)
    Springer
    The European physical journal 149 (1957), S. 311-323 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A static cosmological model of the universe based onLyra's modified Riemannian Geometry is proposed. The red-shift of spectral lines from extra-galactic nebulae is shown to be a consequence of an inherent geometrical property of the model independent of expansion. The model is similar to the staticEinstein model but shows a red-shift and has a finite density even without the introduction of a cosmological constant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01333146
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  • 10
    Electronic Resource
    Electronic Resource
    A homomorphism theorem for the Poincaré group (1974)
    Springer
    International journal of theoretical physics 10 (1974), S. 153-157 
    Details
    ISSN: 1572-9575
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Jordan demonstrated that the group of homogeneous transformations of degree one in ℝ5 is homomorphic to the symmetry group of the Einstein-Maxwell equations in vacuum. It is shown that the Jordan homomorphism theorem is also applicable to the inhomogeneous general linear group. Consequently, the Poincaré group is homomorphic to the group of homogeneous transformations of degree one in a five-dimensional space.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01813407
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