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13 papers · 1 filter
Natural extensions and entropy of -continued fractions
Cor Kraaikamp, Thomas A. Schmidt, Wolfgang Steiner
We construct a natural extension for each of Nakada's -continued fractions and show the continuity as a function of of both the entropy and the measure of the natural extens…
Diophantine approximation on Veech surfaces
Pascal Hubert, Thomas A. Schmidt
We show that Y. Cheung's general -continued fractions can be adapted to give approximation by saddle connection vectors for any compact translation surface. That is, we show the…
Defect physics of BaCuChF (Ch=S, Se, Te) p-type transparent conductors
A. Zakutayev, J. Tate, G. Schneider
Native point defects, defect complexes, and oxygen impurities in BaCuChF were studied using density functional theory calculations, self-consistent thermodynamic simulations, and v…
Imaging Grains and Grain Boundaries in Single-Layer Graphene: An Atomic Patchwork Quilt
Pinshane Y. Huang, Carlos S. Ruiz-Vargas, Arend M. van der Zande +8
The properties of polycrystalline materials are often dominated by the size of their grains and by the atomic structure of their grain boundaries. These effects should be especiall…
The Spitzer c2d Survey of Weak-Line T Tauri Stars. III. The Transition from Primordial Disks to Debris Disks
Zahed Wahhaj, Lucas Cieza, Karl R. Stapelfeldt +15
We present 3.6 to 70 μm Spitzer photometry of 154 weak-line T Tauri stars (WTTS) in the Chamaeleon, Lupus, Ophiuchus and Taurus star formation regions, all of which are within 200…
Corrections for "Occupation and local times for skew Brownian motion with applications to dispersion across an interface"
Thilanka Appuhamillage, Vrushali Bokil, Enrique Thomann +2
We are making corrections and acknowledging colleagues that pointed out mistakes in our recent paper titled "Occupation and local times for skew Brownian motion with applications t…