7,545,929 research outputs found
Exterior view of the A. G. Healing Ltd. factory, Sydney, New South Wales [picture] /
No full textTitle devised by cataloguer from accompanying documentation.; Part of the Collection of photographs of Sydney by A.G. Foster.; Condition: Good.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.pic-vn3064345
Hamiltonian gravity with variable G,Lambda from the renormalization group
No full textModels of gravity with variable G and Lambda have
acquired greater relevance after the recent evidence in favour of
the Einstein theory being non-perturbatively renormalizable. The
present paper applies the Arnowitt-Deser-Misner formalism and
the Dirac-Bergmann theory of constrained Hamiltonian systems to
such a class of gravitational models. A modified action functional
is then built that reduces to the Einstein-Hilbert action when
G is constant, and leads to a linear growth of the scale factor
when gravity is coupled to a massless self-interacting phi^{4}
theory in a Universe with Friedmann-Lemaitre-Robertson-Walker
symmetry, in agreement with the recently developed fixed-point
cosmology. Interestingly, our modified action functional makes it
necessary to consider an external field that decays as the inverse of
the sixth power of cosmological time in the early universe, although the
relevant solutions are actually independent of the strength of this new
field
G. Rollie White Coliseum - 13
No full textBuildings: G. Rollie White ColiseumTwo students walk by a window in G. Rollie White at a girls basketball game
Elevator runners used in a silo [picture] /
No full textTitle devised by cataloguer from accompanying documentation.; Part of the Collection of photographs of Sydney by A.G. Foster.; Condition: Good.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.pic-vn3077395
Baptismal font in a church [picture] /
No full textTitle devised by cataloguer from accompanying documentation.; Part of the Collection of photographs of Sydney by A.G. Foster.; Condition: Silvering.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.pic-vn3075066
Front of a school building [picture] /
No full textTitle devised by cataloguer from accompanying documentation.; Part of the Collection of photographs of Sydney by A.G. Foster.; Condition: Silvering.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.pic-vn3072018
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
G. Rollie White Coliseum - 2
No full textBuildings: G. Rollie White ColiseumDedication of G. Rollie White ColiseumG. Rollie White (right
Unidentified construction crew on a building site [7] [picture] /
No full textTitle devised by cataloguer from accompanying documentation.; Part of the Collection of photographs of Sydney by A.G. Foster.; Condition: Good.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.pic-vn3077436
Construction workers on a building next to Phillip House [picture] /
No full textTitle devised by cataloguer from accompanying documentation.; Part of the Collection of photographs of Sydney by A.G. Foster.; Condition: Silvering.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.pic-vn3064630
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