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  • Electronic Resource  (4)
  • BCRF1  (1)
  • CP1  (1)
  • Hilbert Basis  (1)
  • Integer programming  (1)
  • Polyhedra  (1)
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  • Electronic Resource  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    On box totally dual integral polyhedra (1986)
    Springer
    Mathematical programming 34 (1986), S. 48-61 
    Details
    ISSN: 1436-4646
    Keywords: Total Dual Integrality ; Hilbert Basis ; Polyhedra
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract Edmonds and Giles introduced the class of box totally dual integral polyhedra as a generalization of submodular flow polyhedra. In this paper a geometric characterization of these polyhedra is given. This geometric result is used to show that each TDI defining system for a box TDI polyhedron is in fact a box TDI system, that the class of box TDI polyhedra is in co-NP and is closed under taking projections and dominants, that the class of box perfect graphs is in co-NP, and a result of Edmonds and Giles which is related to the facets of box TDI polyhdera.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01582162
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cutting-plane proofs in polynomial space (1990)
    Springer
    Mathematical programming 47 (1990), S. 11-18 
    Details
    ISSN: 1436-4646
    Keywords: Integer programming ; cutting planes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract Following Chvátal, cutting planes may be viewed as a proof system for establishing that a given system of linear inequalities has no integral solution. We show that such proofs may be carried out in polynomial workspace.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01580849
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Anomalous electron transport activity in a Photosystem I-deficient maize mutant (1990)
    Springer
    Photosynthesis research 24 (1990), S. 81-88 
    Details
    ISSN: 1573-5079
    Keywords: CP1 ; electron transport ; hcf ; mutant ; Photosystem I ; transposable element
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Photosynthesis mutations were induced in maize lines bearing the transposable DNA element system, Mutator. Two Photosystem I mutants (hcf101 and hcf104) which were isolated are described here. Maize plants homozygous for the hcf104 mutation are seedling lethal and exhibit a high in vivo chlorophyll fluorescence yield. They lack ∼60% of CP1, P700 and PSI-specific electron transport activity relative to normal sibling plants. The comparable depletion of these three measures of PS I content conforms to the pattern reported for many other PS I-deficient mutants. Maize plants homozygous for hcf101 are seedling lethal and also exhibit high in vivo chlorophyll fluorescence yield. They lack 80–90% of CP1 and P700 but sustain steady state levels of PS I-specific electron transport activity at 70% of normal. Previous reports of similar apparent PS I hyperactivity are discussed and an explanation for the elevated steady state level of PS I electron transport activity in hcf101 is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00032647
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  • 4
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary X-ray investigation of recombinant human interleukin 10 (1995)
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 22 (1995), S. 187-190 
    Details
    ISSN: 0887-3585
    Keywords: cytokine ; BCRF1 ; protein structure ; crystal seeding ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Crystals of recombinant human interleukin 10 have been grown from solutions of ammonium sulfate. The crystals are tetragonal, space group P41212 or P43212; the unit cell axes are a = 36.5 Å and c = 221.9 Å. There is the equivalent of one polypeptide chain in the asymmetric unit. The crystals are stable to X-rays and diffract to at least 2.5 Å resolution. © 1995 Wiley-Liss, Inc.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prot.340220211
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