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Digitale Medien

On box totally dual integral polyhedra (1986)

Cook, William

Springer

Mathematical programming 34 (1986), S. 48-61

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ISSN: 1436-4646

Schlagwort(e): Total Dual Integrality ; Hilbert Basis ; Polyhedra

Quelle: Springer Online Journal Archives 1860-2000

Thema: Informatik , Mathematik

Notizen: 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.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01582162

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Digitale Medien

Crystallization and preliminary X-ray investigation of recombinant human interleukin 10 (1995)

Cook, William J. ; Windsor, William T. ; Murgolo, Nicholas J. ; [weitere]

New York, NY : Wiley-Blackwell

Proteins: Structure, Function, and Genetics 22 (1995), S. 187-190

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ISSN: 0887-3585

Schlagwort(e): cytokine ; BCRF1 ; protein structure ; crystal seeding ; Chemistry ; Biochemistry and Biotechnology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Medizin

Notizen: 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.

Zusätzliches Material: 1 Ill.