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Vadose Zone Journal, ISSN 1539-1663, 2013, Volume 12, Issue 1
In this paper two different subsurface parameterizations are compared for posterior soil moisture estimation from traveltime observations of crosshole GPR. The... 
SOUTH OYSTER SITE | WATER RESOURCES | BACTERIAL TRANSPORT SITE | DIFFERENTIAL EVOLUTION | JOINT INVERSION | ENVIRONMENTAL SCIENCES | SOIL SCIENCE | BOREHOLE RADAR | HYDRAULIC CONDUCTIVITY | WATER-CONTENT | SQUARES INVERSION | WAVE-FORM INVERSION | SEISMIC TOMOGRAPHY | Physics - Geophysics
Journal Article
SIAM Journal on Mathematical Analysis, ISSN 0036-1410, 2014, Volume 46, Issue 6, pp. 3705 - 3726
We consider a region M in R-n with boundary. partial derivative M and a metric g on M conformal to the Euclidean metric. We analyze the inverse problem,... 
Riemannian geometry | Inverse problems | Seismic imaging | MATHEMATICS, APPLIED | seismic imaging | EQUATION | inverse problems | Reconstruction | Operators | Diffraction | Mathematical analysis | Differential equations | Conjugate points | Boundaries | Conversion
Journal Article
SIAM Journal on Applied Mathematics, ISSN 0036-1399, 2016, Volume 76, Issue 2, pp. 805 - 825
We introduce a new algorithm to construct travel time distances between a point in the interior of a Riemannian manifold and points on the boundary of the... 
Wave equation | Boundary control method | Travel time distances | boundary control method | MATHEMATICS, APPLIED | travel time distances | INVERSE PROBLEM | THEOREM | RECONSTRUCTION | STABILITY | wave equation | METRICS | BC-METHOD | STABLE DETERMINATION | WAVE-EQUATION | BOUNDARY | RIEMANNIAN-MANIFOLDS | Mathematics - Analysis of PDEs
Journal Article
Journal de mathématiques pures et appliquées, ISSN 0021-7824, 03/2015, Volume 103, Issue 3, pp. 830 - 848
We analyze the inverse problem, if a manifold and a Riemannian metric on it can be reconstructed from the sphere data. The sphere data consist of an open set... 
Riemannian manifold | Shape operator | Geometric inverse problems | MATHEMATICS, APPLIED | SEISMIC VELOCITY ESTIMATION | MATHEMATICS | WAVEFRONT | RIGIDITY | CURVATURE | INVERSE PROBLEMS | NEUMANN MAP | MEDIA | EQUATION | SPECTRAL DATA | HYPERBOLIC DIRICHLET | Anisotropy | Analysis
Journal Article
American Journal of Agricultural Economics, ISSN 0002-9092, 2014, Volume 96, Issue 2, pp. 420 - 437
Journal Article
Transportation Research Part C, ISSN 0968-090X, 2011, Volume 19, Issue 6, pp. 1215 - 1224
► We analyze the impact of incidents on a transportation network and calculate delay. ► Incidents affect vehicles originating downstream, traversing or not the... 
Traffic delay | Incident management | Travel time | Dynamic traffic assignment | Traveler information | TRANSPORTATION SCIENCE & TECHNOLOGY | Travelers | Algorithms | Universities and colleges | Analysis | Methods | Geographic information systems | Traffic flow | Methodology | Dynamics | Transportation networks | Transportation | Traffic engineering | Differential thermal analysis | Calibration
Journal Article
by Hu, Fei and Su, Ao
Wutan Huatan Jisuan Jishu, ISSN 1001-1749, 07/2015, Volume 37, Issue 4, pp. 478 - 487
Journal Article
General Relativity and Gravitation, ISSN 0001-7701, 4/2012, Volume 44, Issue 4, pp. 855 - 874
Journal Article
General Relativity and Gravitation, ISSN 0001-7701, 1/2011, Volume 43, Issue 1, pp. 51 - 60
Here we show that there exist closed timelike curves in Gödel spacetime with total acceleration less than $${2\pi\sqrt{9+6\sqrt{3}}}$$ . This settles a... 
Closed timelike curves | Gödel spacetime | Theoretical, Mathematical and Computational Physics | Total acceleration | Cosmology | Quantum Physics | Differential Geometry | Classical and Quantum Gravitation, Relativity Theory | Physics | Astronomy, Astrophysics and Cosmology
Journal Article
Inverse Problems, ISSN 0266-5611, 02/2007, Volume 23, Issue 1, pp. 309 - 329
We develop a new phase space method for reconstructing the index of refraction of a medium from travel time measurements. The method is based on the so-called... 
TOMOGRAPHY | MIGRATION | MATHEMATICS, APPLIED | INTEGRAL GEOMETRY | STABILITY | INVERSE PROBLEMS | BOUNDARY RIGIDITY | MANIFOLDS | REGULARIZATION | GEODESICS | PHYSICS, MATHEMATICAL | DIFFERENTIAL-OPERATORS
Journal Article
International Journal of Transport Economics, ISSN 0391-8440, 11/2014, Volume 41, Issue 3, pp. 383 - 397
This paper analyses the sensitivity of the subjective value of travel time (SVT) by considering different models based on the microeconomic theory of time... 
Subjective value of time | Heterogeneity | Discrete choice models | subjective value of time | ECONOMICS | TRANSPORTATION | CHOICE MODELS | heterogeneity | Santander | Discrete choice
Journal Article
Geophysical Journal International, ISSN 0956-540X, 07/2008, Volume 174, Issue 1, pp. 195 - 212
We present a new technique for the efficient measurement of the traveltimes of long period body wave phases. The technique is based on the fact that all... 
Body waves | Mantle processes | Seismic tomography | TOMOGRAPHY | EARTHS MANTLE | CONVECTION | DEEP MANTLE | ALGORITHM | INVERSION | HETEROGENEITY | DENSITY | GEOCHEMISTRY & GEOPHYSICS | mantle processes | DIFFERENTIAL TRAVEL-TIMES | CONSTRAINTS | body waves | seismic tomography | Models | Algorithms
Journal Article