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199
Local algorithms in exterior tomography
, 2004
"... Exterior tomographic data are taken over lines outside a central region, and such data occur in the industrial nondestructive evaluation of large objects such as rockets. We explain, using microlocal analysis, which singularities are well reconstructed from exterior data, and we explain how this phe ..."
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and to limited angle exterior data. The algorithm is tested on industrial data from Perceptics, Inc. © 2005 Elsevier B.V. All rights reserved.
Minimum Enclosures with Specified Angles
, 1994
"... Given a convex polygon P , an menvelope is a convex msided polygon that contains P . Given any convex polygon P , and any sequence of m 3 angles A = hff 1 ; ff 2 ; : : : ; ff m i, we consider the problem of computing the minimum area menvelope for P whose counterclockwise sequence of exterior an ..."
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Given a convex polygon P , an menvelope is a convex msided polygon that contains P . Given any convex polygon P , and any sequence of m 3 angles A = hff 1 ; ff 2 ; : : : ; ff m i, we consider the problem of computing the minimum area menvelope for P whose counterclockwise sequence of exterior
Geological Survey editorial standards or with the North American Stratigraphic Code.
, 1992
"... by the National Park Service. It will include repairs to the brickwork and masonry at the Fort. Although the Fort is mostly built of brick, sandstone blocks were used in the quoins (the exterior angles of the walls; Fig. 1). Park Service records suggest that the ..."
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by the National Park Service. It will include repairs to the brickwork and masonry at the Fort. Although the Fort is mostly built of brick, sandstone blocks were used in the quoins (the exterior angles of the walls; Fig. 1). Park Service records suggest that the
Reconnection and energetic particles at the edge of the exterior cusp
 Ann. Geophys
"... Abstract. In this paper we study flux transfer events (FTE) observed at the postnoon edge of the exterior cusp region by Cluster satellites. During the outbound dayside orbit on 2 February 2003, intense bursts of energetic particles were observed in close conjuction with magnetic field FTE signatu ..."
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tures by the RAPID instrument onboard the Cluster 4. The pitchangle distribution of the particles showed that the enhancements consist of particles flowing antiparallel to the magnetosheath field lines away from the expected reconnection site to the exterior cusp. At the same time Cluster 3 observed enhancements
APERTURE ANGLE ANALYSIS FOR ELLIPSOIDS
 ELA
, 2013
"... Let Ω ⊆ Rn be a compact convex set and x be a point in the exterior of Ω. The aperture angle of x relative to Ω is defined as the maximal angle of the smallest closed convex cone that contains Ω − x. This note provides an explicit formula, based on eigenvalues of symmetric matrices, for the apertur ..."
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Let Ω ⊆ Rn be a compact convex set and x be a point in the exterior of Ω. The aperture angle of x relative to Ω is defined as the maximal angle of the smallest closed convex cone that contains Ω − x. This note provides an explicit formula, based on eigenvalues of symmetric matrices
Stars: A Second Look
"... Star polygons as presented by WinickiLandman (1999) certainly provide an excellent opportunity for students for investigating, conjecturing, refuting and explaining (proving). However, it could also be insightful to alternatively explain (prove) the results in terms of the exterior angles of the st ..."
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Star polygons as presented by WinickiLandman (1999) certainly provide an excellent opportunity for students for investigating, conjecturing, refuting and explaining (proving). However, it could also be insightful to alternatively explain (prove) the results in terms of the exterior angles
Isotopic Equivalence from Bézier Curve Subdivision
"... We prove that the control polygon of a Bézier curve B becomes homeomorphic and ambient isotopic to B via subdivision, and we provide closedform formulas to compute the number of subdivision iterations to ensure these topological characteristics. We first show that the exterior angles of control p ..."
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We prove that the control polygon of a Bézier curve B becomes homeomorphic and ambient isotopic to B via subdivision, and we provide closedform formulas to compute the number of subdivision iterations to ensure these topological characteristics. We first show that the exterior angles of control
Study of attosecond delays using perturbation diagrams and exterior complex scaling
"... We describe in detail how attosecond delays in laserassisted photoionization can be computed using perturbation theory based on twophoton matrix elements. Special emphasis is laid on abovethreshold ionization, where the electron interacts with an infrared field after photoionization by an extreme ..."
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depends on both detection angle of the photoelectron and energy of the probe photon. ar
o, f) Exterior Orientation: Rotation + Translation of Camera: R and tRigid body transformation:
"... Toe: angle between projection of axle on horizontal plane and a perpendicular to thrust line. Caster: angle in side elevation between steering axis and vertical. SAI: angle in frontal elevation between steering axis and vertical. Planar Target ..."
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Toe: angle between projection of axle on horizontal plane and a perpendicular to thrust line. Caster: angle in side elevation between steering axis and vertical. SAI: angle in frontal elevation between steering axis and vertical. Planar Target
DIFFUSING POLYGONS AND SLE(κ, ρ)
, 2005
"... Abstract. We give a geometric derivation of SLE(κ, ρ) in terms of conformally invariant random growing compact subsets of polygons. The parameters ρj are related to the exterior angles of the polygons. We also show that SLE(κ, ρ) can be generated by a metric Brownian motion, where metric and Brownia ..."
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Abstract. We give a geometric derivation of SLE(κ, ρ) in terms of conformally invariant random growing compact subsets of polygons. The parameters ρj are related to the exterior angles of the polygons. We also show that SLE(κ, ρ) can be generated by a metric Brownian motion, where metric
Results 1  10
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199