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7 papers · 1 filter
Parallel Repetition of Entangled Games
Julia Kempe, Thomas Vidick
We consider one-round games between a classical referee and two players. One of the main questions in this area is the parallel repetition question: Is there a way to decrease the…
The expansion of SN 2008iz in M82
A. Brunthaler, I. Marti-Vidal, K. M. Menten +7
We present first results from the ongoing radio monitoring of SN 2008iz in M82. The VLBI images reveal a shell-like structure with circular symmetry, which expands in a self-simila…
An Optimization-Based Framework for Automated Market-Making
Jacob Abernethy, Yiling Chen, Jennifer Wortman Vaughan
Building on ideas from online convex optimization, we propose a general framework for the design of efficient securities markets over very large outcome spaces. The challenge here…
Origins, Structure, and Inflows of m=1 Modes in Quasi-Keplerian Disks
Philip F. Hopkins
Simulations show eccentric disks (m=1 modes) forming around quasi-Keplerian potentials, a topic of interest for fueling quasars, forming super-massive BHs, planet formation and mig…
Galactic outflows and the kinematics of damped Lyman alpha absorbers
Sungryong Hong, Neal Katz, Romeel Davé +3
The kinematics of damped Lyman alpha absorbers (DLAs) are difficult to reproduce in hierarchical galaxy formation models, particularly the preponderance of wide systems. We investi…
GraphLab: A New Framework for Parallel Machine Learning
Yucheng Low, Joseph Gonzalez, Aapo Kyrola +3
Designing and implementing efficient, provably correct parallel machine learning (ML) algorithms is challenging. Existing high-level parallel abstractions like MapReduce are insuff…