We explore the possibility of using soliton interactions in a one-dimensional bulk medium as a basis for a new kind of computer. Such a structure is “gateless” – all computations are determined by an input stream of solitons. Intuitively, the key requirement for accomplishing this is that soliton collisions be nonoblivious; that is, solitons should transfer state information during collisions. ...

The graphics industry has advanced very far from the days of pixelated 2D images on small monitors. The main focus of graphics hardware work has been achieving the most realistic images while maintaining the interactive nature of realtime applications. This focus has matured and today’s modern graphics card is able to process millions of triangles and vertices to form complex 3D images with a v...

Google Compute Engine offers a high-performance, costeffective means for running I/O-intensive applications. This report details our experience running large-scale, highperformance sorting jobs on GCE. We run sort applications up to 100 TB in size on clusters of up to 299 VMs, and find that we are able to sort data at or near the hardware capabilities of the locally attached SSDs. In particular...

Article history: Received 17 June 2008 Accepted 17 June 2008 Available online 30 October 2008

This collaborative report highlights the properties and prospects of Controlled Natural Languages (CNLs). The report poses a range of questions concerning the goals of the CNL, the design, the linguistic aspects, the relationships and evaluation of CNLs, and the application tools. In posing the questions, the report attempts to structure the field of CNLs and to encourage further systematic dis...

A bstract Building on results in arXiv:2203.04255 , we compute the correlator of four gluon light-ray operators celestial CFT. We find that it is described by Fox H-functions and generalized I-functions multiple variables. also analyze correlators for a scalar amplitude involving exchange massive scalar.

The ray shooting problem arises in many different contexts and is a bottleneck of ray tracing in computer graphics. Unfortunately, theoretical solutions to the problem are not very practical, while practical methods offer few provable guarantees on performance. Attempting to combine practicality with theoretical soundness, we show how to provably measure the average performance of any ray-shoot...

We present in this paper optical and X-ray follow up observations for three X-ray selected objects extracted from the ROSAT North Ecliptic Pole survey which is a flux-limited, completely identified survey. All three objects have X-ray luminosities in the 1044 erg s−1 regime and show narrow emission lines in their optical discovery spectra, typical of QSO 2 type objects. Spectroscopic data for t...