Correlated default risk plays a significant role in financial markets. Dynamic intensity-based models, in which a firm default is governed by a stochastic intensity process, are widely used to model correlated default risk. The computations in these models can be performed by Monte Carlo simulation. The standard simulation method, which requires the… (More)
We report long-term stable passive synchronization of a 50-μJ, 690-fs, 0.4-MHz Yb-doped fiber chirped-pulse amplifier with a mode-locked Ti:sapphire laser as long as 8 hours with a timing jitter of 42 fs.
The equity portfolio selection problem is the subject of a substantial literature. Though equally important in practice, the optimization problem for a fixed-income portfolio, which may contain corporate and government bonds, industrial loans and credit derivatives such as credit swaps, is less well-understood. The fixed-income portfolio problem presents… (More)
Web-content publishing is a service that is mainly provided by traditional client-server architecture. However, traditional approach requires much computer and network resources and therefore is relatively expensive. There are methods to publish web-content directly from users own computers. But in these approaches users have to keep their computers… (More)