Approximationsalgorithmen: eine Einfuehrung by Rolf Wanka

By Rolf Wanka

Viele kombinatorische Optimierungsprobleme haben sich als schwierig exakt lösbar herausgestellt, weshalb guy sich mit Näherungslösungen zufrieden geben muss. In diesem Buch werden Approximationsalgorithmen vorgestellt, die für eine Reihe populärer Optimierungsprobleme beweisbar gute Lösungen in vertretbarer Zeit berechnen. Im ersten Teil werden die grundlegenden Begriffe vorgestellt, mit Beispielalgorithmen ausgeführt und jeweils die Grenzen aufgezeigt. Im zweiten Teil werden allgemeine Techniken eingeführt und anhand instruktiver Beispiele mit Leben erfüllt.

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118:2483. , 1993, J. Chem. Phys. 99:8063. Williamson, M. , 1992, J. Biomol. NMR 2:83. , 1977, Dynamics of Systems of Rigid Bodies, Teubner, Stuttgart. , 1993, Protein Sci. 2:1242. 2 Combined Automated Assignment of NMR Spectra and Calculation of Three-Dimensional Protein Structures Yuan Xu, Catherine H. Schein, and Werner Braun 1. INTRODUCTION The interpretation of NMR data to determine the three-dimensional structure of proteins has made significant progress in the last decade. , 1988, 1986). , 1984), isotopic labeling has opened up the method for much larger proteins and complexes (Gronenborn and Clore, 1994; Wagner, 1993).

F. van Gunsteren, P. K. Weiner, and A. J. ), Escom, Leiden, pp. 535–555. Van Gunsteren, W. , 1980, Mol. Phys. 40:1015. Van Gunsteren, W. -L. ), Elsevier, Amsterdam, pp. 463–478. Van Gunsteren, W. , 1991, Am. Inst. Phys. Conf. Proc. 239:131. Van Gunsteren, W. , 1993, in Computer Simulation of Biomolecular Systems: Theoretical and Experimental Applications, Vol. 2 (W. F. van Gunsteren, P. K. Weiner, and A. J. ), Escom, Leiden, pp. 3–36. Van Gunsteren, W. , and Berendsen, H. J. , 1987, Groningen Molecular Simulation (GROMOS) Library Manual, Biomos, Groningen.

3. Application of time-averaging restraining of using a penalty function that only depends on (artificially enhances structural fluctuations). 4. Use of non-Boltzmann weighting of conformers when calculating (violates statistical mechanics). 5. Use of equations of motion in non-Cartesian coordinates (leads to complex integration algorithms). 6. Freezing bond-angle degrees of freedom or using torsional dynamics without adjustment of the physical force field to these conditions and without inclusion of metric tensor interaction terms (reduces the atomic motions, distorts the Boltzmann weighting).

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