478 citations
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10 papers · 1 filter
On A-twisted moduli stack for curves from Witten's gauged linear sigma models
Chien-Hao Liu, Kefeng Liu, Shing-Tung Yau
Witten's gauged linear sigma model [Wi1] is one of the universal frameworks or structures that lie behind stringy dualities. Its A-twisted moduli space at genus 0 case has been use…
X-ray and Optical Studies of Millisecond Pulsars in 47 Tucanae
C. O. Heinke, J. E. Grindlay, P. D. Edmonds +1
Our Chandra X-ray observation of the globular cluster 47 Tuc clearly detected most of the 16 MSPs with precise radio positions, and indicates probable X-ray emission from the remai…
Practical Load Balancing for Content Requests in Peer-to-Peer Networks
Mema Roussopoulos, Mary Baker
This paper studies the problem of load-balancing the demand for content in a peer-to-peer network across heterogeneous peer nodes that hold replicas of the content. Previous decent…
Question answering: from partitions to Prolog
Balder D. ten Cate, Chung-chieh Shan
We implement Groenendijk and Stokhof's partition semantics of questions in a simple question answering algorithm. The algorithm is sound, complete, and based on tableau theorem pro…
The partition semantics of questions, syntactically
Chung-chieh Shan, Balder D. ten Cate
Groenendijk and Stokhof (1984, 1996; Groenendijk 1999) provide a logically attractive theory of the semantics of natural language questions, commonly referred to as the partition t…
Thermal conductivity of a two-dimensional electron gas with Coulomb interaction
A. O. Lyakhov, E. G. Mishchenko
We demonstrate that forward electron-electron scattering due to Coulomb interation in a two-dimensional ballistic electron gas leads to the (T\ln {T})^{-1} temperature dependence o…