断言 发表于 2025-3-28 17:38:53
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The Taylor Expansion of CR Germs on a Class of Levi Degenerate Models,well understood. In all examples studied so far, the image is given by the tensor product of a ring of formal series with a ring of convergent series. This chapter constructs examples for which the structure of the image is more complicated: As previously conjectured, this is linked to the presence of singular complex varieties inside of ..Fulminate 发表于 2025-3-28 23:42:36
Characterization of Real-Analytic Infinitesimal CR Automorphisms for a Class of Hypersurfaces in ,articular, we classify . with respect to the description of its nilpotent rotations when . ., and . are monomials. We also give an example of a model . for which the real dimension of its generalized (exotic) rotations is灾难 发表于 2025-3-29 05:17:39
https://doi.org/10.1007/978-3-658-30401-0well understood. In all examples studied so far, the image is given by the tensor product of a ring of formal series with a ring of convergent series. This chapter constructs examples for which the structure of the image is more complicated: As previously conjectured, this is linked to the presence of singular complex varieties inside of ..整理 发表于 2025-3-29 10:45:26
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Biomass Energy Using Methane and Hydrogen from Waste Materials,ther essential components of a sustainable society. At Tohoku University, we are researching sources of alternative fuels such as bio-hydrogen and bio-methane from secondary sources such as wastewater treatment and reuse. In this chapter we present an overview of key concepts related to biomass ener军火 发表于 2025-3-30 02:49:49
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Naturgeschichte und Umweltschutzweisen in den vergangenen Jahrzehnten ein enormes Wachstum, eine hohe Anpassungsfähigkeit und eine beachtliche sachliche Differenzierung auf. Dies gilt für parteipolitische Aussagen, Policy-Programme und Ausgaben gleichermaßen.