Results 51 to 60 of about 1,498,959 (338)
Complex Kerr Geometry and Nonstationary Kerr Solutions
, 2003 In the frame of the Kerr-Schild approach, we consider the complex structure of Kerr geometry which is determined by a complex world line of a complex source. The real Kerr geometry is represented as a real slice of this complex structure.
A. Burinskii +28 more
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Partial positivity: geometry and cohomology of q-ample line bundles [PDF]
, 2014 We give an overview of partial positivity conditions for line bundles, mostly from a cohomological point of view. Although the current work is to a large extent of expository nature, we present some minor improvements over the existing literature and a ...
Greb, Daniel, Küronya, Alex
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Integral geometry of pairs of hyperplanes or lines
Archiv der Mathematik, 2020 AbstractCrofton’s formula of integral geometry evaluates the total motion invariant measure of the set of k-dimensional planes having nonempty intersection with a given convex body. This note deals with motion invariant measures on sets of pairs of hyperplanes or lines meeting a convex body. Particularly simple results are obtained if, and only if, the
Hug, Daniel, Schneider, Rolf
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On organizing principles of Discrete Differential Geometry. Geometry of spheres
, 2006 Discrete differential geometry aims to develop discrete equivalents of the geometric notions and methods of classical differential geometry. In this survey we discuss the following two fundamental Discretization Principles: the transformation group ...
Bobenko, Alexander I., Suris, Yuri B.
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Infrared spectroscopy of NGC 1068: Probing the obscured ionizing AGN continuum [PDF]
, 1998 The ISO-SWS 2.5-45 um infrared spectroscopic observations of the nucleus of the Seyfert 2 galaxy NGC 1068 (see companion paper) are combined with a compilation of UV to IR narrow emission line data to determine the spectral energy distribution (SED) of ...
Amiel Sternberg +51 more
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Covariant Space-Time Line Elements in the Friedmann–Lemaitre–Robertson–Walker Geometry
Axioms, 2022 Most quantum gravity theories quantize space-time on the order of Planck length (ℓp ). Some of these theories, such as loop quantum gravity (LQG), predict that this discreetness could be manifested through Lorentz invariance violations (LIV) over ...
David Escors, Grazyna Kochan
doaj +1 more source
Generalized Kahler geometry and gerbes
, 2008 We introduce and study the notion of a biholomorphic gerbe with connection. The biholomorphic gerbe provides a natural geometrical framework for generalized Kahler geometry in a manner analogous to the way a holomorphic line bundle is related to Kahler ...
and Maxim Zabzine +19 more
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Pairwise transitive 2-designs [PDF]
, 2015 We classify the pairwise transitive 2-designs, that is, 2-designs such that a group of automorphisms is transitive on the following five sets of ordered pairs: point-pairs, incident point-block pairs, non-incident point-block pairs, intersecting block ...
Devillers, Alice, Praeger, Cheryl E.
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JOHME: Journal of Holistic Mathematics Education, 2022 The studies on the worked-out examples teaching approach (WOETA) have been investigated globally and in South Africa, showing gains in learners' performance. This study reports on the Euclidean geometry short learning programme (EGSLP), which used worked-
Msebenzi Rabaza, Joleen Hamilton
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Epipolar geometry based on line similarity [PDF]
2016 23rd International Conference on Pattern Recognition (ICPR), 2016 ICPR 2016, Cancun, Dec ...
Shmuel Peleg +3 more
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