Phase problem

Results: 178



#Item
61Alpha helix / Chemistry / Phase problem / STING / Science / Protein structure / Protein methods / Single wavelength anomalous dispersion / Crystallography / Helices / Biology

Murnau Lecture 2014 The phase problem in macromolecular crystal structure determination September 10th 2014 George M. Sheldrick http://shelx.uni-ac.gwdg.de/SHELX/

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Source URL: shelx.uni-ac.gwdg.de

Language: English - Date: 2014-09-08 04:41:50
62Crystallography / Symmetry / Diffraction / Quantum chemistry / Centrosymmetry / Resolution / Chemical bond / Fourier transform / Phase problem / Algebra / Physics / Mathematics

SHELXT: Integrating space group determination and structure solution (also known as XT or Intrinsic phasing) IUCr Montreal, August 11th 2014

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Source URL: shelx.uni-ac.gwdg.de

Language: English - Date: 2014-09-09 03:03:30
63Science / Phase problem / Electron density / Direct methods / Crystal / Resolution / Electron / Single wavelength anomalous dispersion / Crystallography / Chemistry / Physics

The crystallographic phase problem SHELXD - Direct Methods for Larger Structures In order to calculate an electron density map, we require both the intensities I = |F |2 and the phases φ of the reflections hkl.

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Source URL: shelx.uni-ac.gwdg.de

Language: English - Date: 2013-02-25 13:25:45
64Chemistry / Phase problem / Molecule / Electron / Direct methods / Crystal / Physics / Crystallography / Science

SHELXD - Direct Methods for Larger Structures SHELX Workshop, Göttingen September 2011 George M. Sheldrick http://shelx.uni-ac.gwdg.de/SHELX/

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Source URL: shelx.uni-ac.gwdg.de

Language: English - Date: 2013-02-25 13:25:45
65Chemistry / Orthorhombic crystal system / Phase problem / Electron / Chemical bond / Crystallography / Physics / Condensed matter physics

SHELXT: Integrating space group determination and structure solution (also known as XT or Intrinsic phasing) IUCr Montreal, August 11th 2014

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Source URL: shelx.uni-ac.gwdg.de

Language: English - Date: 2014-09-09 03:03:35
66Chemistry / Phase problem / Electron / Single wavelength anomalous dispersion / Crystallography / Condensed matter physics / Physics

The SHELX approach to the experimental phasing of macromolecules IUCr 2011 Madrid George M. Sheldrick, Göttingen University http://shelx.uni-ac.gwdg.de/SHELX/

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Source URL: shelx.uni-ac.gwdg.de

Language: English - Date: 2013-02-25 13:25:45
67Materials science / Nature / Condensed matter physics / Phase problem / Molecule / Direct methods / Crystal structure / Crystallography / Chemistry / Science

The crystallographic phase problem Classical direct methods In order to calculate an electron density map, we require both the intensities I = |F |2 and the phases φ of the reflections hkℓ.

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Source URL: shelx.uni-ac.gwdg.de

Language: English - Date: 2013-02-25 13:25:44
68Lattice points / Cryptography / Computational number theory / Linear algebra / Quadratic forms / Lattice problem / Lattice reduction / Lattice / Lenstra–Lenstra–Lovász lattice basis reduction algorithm / Algebra / Mathematics / Abstract algebra

A Fast Phase-Based Enumeration Algorithm for SVP Challenge through y-Sparse Representations of Short Lattice Vectors ? ?? Dan Ding1 , Guizhen Zhu2 , Yang Yu1 , Zhongxiang Zheng1 1 Department of Computer Science and Tech

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Source URL: eprint.iacr.org

Language: English - Date: 2014-12-04 01:20:06
69Group theory / Linear algebra / Vector space / Vectors / Classical cipher / Four-square cipher / Algebra / Mathematics / Abstract algebra

2014 APL Problem Solving Competition – Phase II Problem Descriptions The Phase II problems are divided into three sets representing three general categories – Bioinformatics, Cryptography and Recreation and Games. Ea

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Source URL: www.causeway.co.uk

Language: English - Date: 2014-06-10 04:16:46
70Support vector machine / Machine learning / Constraint programming / Satisfiability / Active learning / Constraint satisfaction problem / PP / Boolean satisfiability problem / Theoretical computer science / Statistical classification / Applied mathematics

A Phase Transition-Based Perspective on Multiple Instance Kernels Romaric Gaudel1,2 , Mich`ele Sebag1 , and Antoine Cornu´ejols3 1 CNRS − INRIA − Univ. Paris-Sud, FOrsay, France

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Source URL: www.lri.fr

Language: English - Date: 2007-11-19 08:56:00
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