2,658 research outputs found

    Town planning and public housing

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    During the last seven years, Spain has experience importans legislativies changes in land and housing materia. The land law of 1990, conceive the urbanistic proficience as colectivity result and the cession of part of this proficience to the land owner. This law changes the point of view about the land ownership. The use of this legislation with the objetive to maximice the colectivity utility to a minimun ejecutation cost and the transfer of the proficience from some town zones to others, building systems of distribution of charges and benefits. The city of Cadiz is a particular case where is used and checked. With the housing legislation has been posible the creation of public housing companies, perfect complement to the public intervencion in thats materials. A special case is the San Fernando public housing company (Cadiz) with the objetive of intervention in the low rent housing market without cost for the Local Administration. Keywords: Town Planning, Public Intervention, Housing.

    Splash singularities for the one-phase Muskat problem in stable regimes

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    This paper shows finite time singularity formation for the Muskat problem in a stable regime. The framework we found is with a dry region, where the density and the viscosity are set equal to 00 (the gradient of the pressure is equal to (0,0)(0,0)) in the complement of the fluid domain. The singularity is a splash-type: a smooth fluid boundary collapses due to two different particles evolve to collide at a single point. This is the first example of a splash singularity for a parabolic problem.Comment: Minor comments added, 26 pages, 1 figur

    Comment on "Effective of the q-deformed pseudoscalar magnetic field on the charge carriers in graphene"

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    We point out a misleading treatment in a recent paper published in this Journal [J. Math. Phys. (2016) 57, 082105] concerning solutions for the two-dimensional Dirac-Weyl equation with a q-deformed pseudoscalar magnetic barrier. The authors misunderstood the full meaning of the potential and made erroneous calculations, this fact jeopardizes the main results in this system.Comment: 7 pages, 2 figure
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