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8 papers · 1 filter
Enumeration schemes for restricted permutations
Vincent Vatter
Zeilberger's enumeration schemes can be used to completely automate the enumeration of many permutation classes. We extend his enumeration schemes so that they apply to many more p…
Results from the Wide Angle Search for Planets Prototype (WASP0) II: Stellar Variability in the Pegasus Field
Stephen R. Kane, T. A. Lister, Andrew Collier Cameron +5
Recent wide-field photometric surveys which target a specific field for long durations are ideal for studying both long and short period stellar variability. Here we report on 75 v…
2D Ferromagnetism in the High-Tc Analogue Cs_2AgF_4
S. E. McLain, D. A. Tennant, J. F. C. Turner +5
Although the precise mechanism of high-Tc superconductivity in the layered cuprates remains unknown, it is generally thought that strong 2D Heisenberg antiferromagnetism combined w…
A further 'degree of freedom' in the rotational evolution of stars
V. Holzwarth, M. Jardine
Observational and theoretical investigations provide evidence for non-uniform spot and magnetic flux distributions on rapidly rotating stars, which have a significant impact on the…
Metamagnetic quantum criticality in Sr3Ru2O7 studied by thermal expansion
P. Gegenwart, F. Weickert, M. Garst +2
We report low-temperature thermal expansion measurements on the bilayer ruthenate SrRuO as a function of magnetic field applied perpendicular to the Ruthenium-oxide pla…
A Survey of Eclipsing Binary Stars in the Eastern Spiral Arm of M31
Ian Todd, Don Pollacco, Ian Skillen +3
Results of an archival survey are presented using B-band imaging of the eastern spiral arm of M31. Focusing on the eclipsing binary star population, a matched-filter technique has…