Formation of large ('100μm) ice crystals near the tropical tropopause E. J. Jensen, L. Pfister, T. V. Bui, P. Lawson, B. Baker, Q. Mo, D. Baumgardner, E. M. Weinstock, J. B. Smith, E. J. Moyer, T. F. Hanisco, D. S. Sayres, J. M. St. Clair, M. J. Alexander, O. B. Toon, and J. A. Smith NASA Ames Research Center, Moffett Field, CA, USA SPEC Inc., Boulder, CO, USA Centro de Ciencias de la Atmosfera...

We consider the property of vanishing logarithmic term (VLT) for the fundamental solution of the shifted Laplace-d'Alembert operators + b (b a constant), on pseudo-Riemannian reductive symmetric spaces M. Our main result is that such an operator on the c-dual or Flensted-Jensen dual of M has the VLT property if and only if a corresponding operator on M does. For Lorentzian spaces, where the +b ...

Pixel level image fusion refers to the processing and synergistic combination of information gathered by various imaging sources to provide a better understanding of a scene. We formulate the image fusion as an optimization problem and propose an information theoretic approach in a multiscale framework to obtain its solution. A biorthogonal wavelet transform of each source image is first calcul...

An approach to the calculation of local canonical morphic heights is described, motivated by the analogy between the classical height in Diophantine geometry and entropy in algebraic dynamics. We consider cases where the local morphic height is expressed as an integral average of the logarithmic distance to the closure of the periodic points of the underlying morphism. The results may be though...

E. Abouzaid, M. Arenton, A.R. Barker, ∗ L. Bellantoni, E. Blucher, G.J. Bock, E. Cheu, R. Coleman, M.D. Corcoran, B. Cox, A.R. Erwin, C.O. Escobar, A. Glazov, A. Golossanov, R.A. Gomes, P. Gouffon, Y.B. Hsiung, D.A. Jensen, R. Kessler, K. Kotera, A. Ledovskoy, P.L. McBride, E. Monnier, † H. Nguyen, R. Niclasen, D.G. Phillips II, E.J. Ramberg, R.E. Ray, M. Ronquest, E. Santos, W. Slater, D. Smit...

We present a novel parallel programming model called Cluster-M. This model facilitates the eecient design of highly parallel portable software. The two main components of this model are Cluster-M Speciications and Cluster-M Representations. A Cluster-M Speciication consists of a number of clustering levels emphasizing computation and communication requirements of a parallel solution to a given ...

We study the Hamilton-Jacobi equations $H(x,Du,u)=0$ in $M$ and $\partial u/\partial t +H(x,D_xu,u)=0$ $M\times(0,\infty)$, where Hamiltonian $H=H(x,p,u)$ depends Lipschitz continuously on variable $u$. In framework of semicontinuous viscosity solutions due to Barron-Jensen, we establish comparison principle, existence theorem, representation formula as value functions for extended real-valued,...

Multi-Resolution Land Characterization 2001 (MRLC 2001) is a second-generation Federal consortium designed to create an updated pool of nation wide Landsat 5 and 7 imagery, and derive a second-generation National Land Cover Database (NLCD 2001). The objectives of this multi-layer, multi-source database are two fold: first to provide consistent land cover for all 50 States, and second to provide...