forthcoming articles

The following articles are a selection of those recently accepted for publication in Acta Crystallographica Section A: Foundations and Advances.

See also Forthcoming articles in all IUCr journals.

Accepted 14 July 2016

Miniaturized beamsplitters realized by X-ray waveguides

Miniaturized X-ray beamsplitters based on lithographic waveguide channels have been fabricated and tested. Numerical simulations of beam propagation and splitting by finite difference calculations have been confirmed by near-field reconstructions from the measured far-field interference pattern, using the error reduction algorithm. The device enables novel nano-interferometric and off-axis holography applications.

Accepted 5 July 2016

How to name and order convex polyhedra

Suggested is a method to build a digital name of any convex polyhedron by using the adjacency matrix of its edge graph, and vice versa. Thus, the problem how to discern and order the overwhelming majority of combinatorially asymmetric (i.e. primitive triclinic) polyhedra is solved.

Accepted 14 June 2016

Indirect Fourier transform in the context of statistical inference

This article discusses the indirect Fourier transform in the context of complementary statistical inference frameworks in order to determine a solution objectively, which then allows one to automate model-free analysis of small-angle scattering data. Moreover, modern machine learning methods are used to obtain the most robust solution.

Accepted 10 June 2016

On representing rotations by Rodrigues parameters in non-orthonormal reference systems

Vectorial parameterizations of proper rotations in three-dimensional space are generalized so the parameters are directly linked to non-orthonormal bases of crystal lattices or to frames with redundant crystallographic axes.

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