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  • 1
    Electronic Resource
    Electronic Resource
    Crystallization, characterization and measurement of MAD data on crystals of dengue virus NS3 serine protease complexed with mung-bean Bowman–Birk inhibitor (1999)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 55 (1999), S. 1370-1372 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Crystallization and preliminary characterization of the essential dengue virus NS3 serine protease complexed with a Bowman–Birk-type inhibitor from mung beans are reported. As the structure proved resistant to solution by molecular replacement and multiple isomorphous replacement methods, multi-wavelength anomalous diffraction data at the LIII edge of a holmium derivative have been measured. Promising Bijvoet and dispersive signals which are largely consistent with expected values have been extracted from the data. The structure, when determined, will provide a structural basis for the design, synthesis and evaluation of inhibitors of the protease for chemotherapy of dengue infections.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444999007064
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Single identities for lattice theory and for weakly associative lattices (1996)
    Springer
    Algebra universalis 36 (1996), S. 436-449 
    Details
    ISSN: 1420-8911
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We present a single identity for the variety of all lattices that is much simpler than those previously known to us. We also show that the variety of weakly associative lattices is one-based, and we present a generalized one-based theorem for subvarieties of weakly associative lattices that can be defined with absorption laws. The automated theorem-proving program Otter was used in a substantial way to obtain the results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01233914
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Lattice Ordered Polynomial Algebras (1998)
    Springer
    Order 15 (1998), S. 75-86 
    Details
    ISSN: 1572-9273
    Keywords: Boolean algebra ; Cayley theorems ; hyperidentities ; lattice order ; polynomial algebra ; Urbanik algebra
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract In this paper we define a lattice order on a set F of binary functions. We then provide necessary and sufficient conditions for the resulting algebra $$\mathfrak{L}$$ F to be a distributive lattice or a Boolean algebra. We also prove a ‘Cayley theorem’ for distributive lattices by showing that for every distributive lattice $$\mathfrak{L}$$ , there is an algebra $$\mathfrak{L}$$ F of binary functions, such that $$\mathfrak{L}$$ is isomorphic to $$\mathfrak{L}$$ F and we show that $$\mathfrak{L}$$ F is a distributive lattice iff the operations ∨ and ∧ are idempotent and cummutative, showing that this result cannot be generalized to non-distributive lattices or quasilattices without changing the definitions of ∨ and ∧. We also examine the equational properties of an Algebra $$\mathfrak{U}$$ for which $$\mathfrak{L}_\mathfrak{U}$$ , now defined on the set of binary $$\mathfrak{U}$$ -polynomials is a lattice or Boolean algebra.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006036222760
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    Paper (German National Licenses)
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