Full-text resources of PSJD and other databases are now available in the new Library of Science.
Visit https://bibliotekanauki.pl
Preferences help
Polish version English version Language
enabled [disable] Abstract
Number of results

Results found: 4

Number of results on page
first rewind previous Page / 1 next fast forward last

Search results

help Sort By:

help Limit search:
first rewind previous Page / 1 next fast forward last
1
Content available remote

Letter Frequencies in the Kolakoski Sequence

100%
Nilsson J.
Acta Physica Polonica A
|
2014
|
vol. 126
|
issue 2
549-552
EN
The classical Kolakoski sequence is the unique sequence of two symbols {1,2}, starting with 1, which is equal to the sequence of lengths of consecutive segments of the same symbol (run lengths). We discuss here numerical aspects of the calculation of the letter frequencies and how to find bounds for these frequencies.
2
Content available remote

Discrete Tomography: Magic Numbers for N-Fold Symmetry

51%
Huck C., Moll M., Nilsson J.
Acta Physica Polonica A
|
2014
|
vol. 126
|
issue 2
486-489
EN
We consider the problem of distinguishing convex subsets of n-cyclotomic model sets Λ by (discrete parallel) X-rays in prescribed Λ-directions. In this context, a 'magic number' m_{Λ} has the property that any two convex subsets of Λ can be distinguished by their X-rays in any set of m_{Λ} prescribed Λ-directions. Recent calculations suggest that (with one exception in the case n=4) the least possible magic number for n-cyclotomic model sets might just be N+1, where N=lcm(n,2).
3
Content available remote

Scaling of the Thue-Morse Diffraction Measure (Acta Physica Polonica A 125, 431 (2014)), ERRATUM

51%
Baake M., Grimm U., Nilsson J.
Acta Physica Polonica A
|
2016
|
vol. 129
|
issue 6
1263
EN
In the proofreading stage we overlooked a number of typographical errors. (On-line version is correct, this erratum applies to printed version only.)
4
Content available remote

Scaling of the Thue-Morse Diffraction Measure

51%
Baake M., Grimm U., Nilsson J.
Acta Physica Polonica A
|
2014
|
vol. 126
|
issue 2
431-434
EN
We revisit the well-known and much studied Riesz product representation of the Thue-Morse diffraction measure, which is also the maximal spectral measure for the corresponding dynamical spectrum in the complement of the pure point part. The known scaling relations are summarised, and some new findings are explained.
first rewind previous Page / 1 next fast forward last
JavaScript is turned off in your web browser. Turn it on to take full advantage of this site, then refresh the page.