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- Lun Li, David L. Alderson, Walter Willinger, John Doyle
- SIGCOMM
- 2004

A detailed understanding of the many facets of the Internet's topological structure is critical for evaluating the performance of networking protocols, for assessing the effectiveness of proposed techniques to protect the network from nefarious intrusions and attacks, or for developing improved designs for resource provisioning. Previous studies of topology… (More)

- John C Doyle, David L Alderson, +5 authors Walter Willinger
- Proceedings of the National Academy of Sciences…
- 2005

The search for unifying properties of complex networks is popular, challenging, and important. For modeling approaches that focus on robustness and fragility as unifying concepts, the Internet is an especially attractive case study, mainly because its applications are ubiquitous and pervasive, and widely available exposition exists at every level of detail.… (More)

- Lun Li, David L. Alderson, John Doyle, Walter Willinger
- Internet Mathematics
- 2005

There is a large, popular, and growing literature on " scale-free networks " with the Internet along with metabolic networks representing perhaps the canonical examples. While this has in many ways reinvigorated graph theory, there is unfortunately no consistent, precise definition of scale-free graphs and few rigorous proofs of many of their claimed… (More)

- David L. Alderson, Lun Li, Walter Willinger, John Doyle
- IEEE/ACM Transactions on Networking
- 2005

Building on a recent effort that combines a first-principles approach to modeling router-level connectivity with a more pragmatic use of statistics and graph theory, we show in this paper that for the Internet, an improved understanding of its physical infrastructure is possible by viewing the physical connectivity as an annotated graph that delivers raw… (More)

- Jiantao Wang, Lun Li, Steven H. Low, John Doyle
- IEEE/ACM Transactions on Networking
- 2005

TCP-AQM can be interpreted as distributed primal-dual algorithms to maximize aggregate utility over source rates. We show that an equilibrium of TCP/IP, if exists, maximizes aggregate utility over both source rates and routes, provided congestion prices are used as link costs. An equilibrium exists if and only if this utility maximization problem and its… (More)

- Lun Li, David L. Alderson, Reiko Tanaka, John Doyle, Walter Willinger
- ArXiv
- 2004

Although the " scale-free " literature is large and growing, it gives neither a precise definition of scale-free graphs nor rigorous proofs of many of their claimed properties. In fact, it is easily shown that the existing theory has many inherent contradictions and verifiably false claims. In this paper, we propose a new, mathematically precise, and… (More)

- Mung Chiang, Steven Low, +31 authors Junshan Zhang
- 2006

Network protocols in layered architectures have historically been obtained on an ad hoc basis, and many of the recent cross-layer designs are conducted through piecemeal approaches. They may instead be holisti-cally analyzed and systematically designed as distributed solutions to some global optimization problems. This paper presents a survey of the recent… (More)

- Zhiqiang Zheng, Huazhong Li, Lun Li, Weilan Shao
- Biotechnology Letters
- 2011

The recombinant laccase from Thermus thermophilus was applied to the biobleaching of wheat straw pulp. The best bleaching effect was when the pulp was treated with 3 U laccase g−1 dry pulp at 90°C, pH 4.5, 8% consistency for 1.5 h. Under these conditions, the pulp brightness was increased by 3.3% ISO, and the pulp kappa number was decreased by 5.6 U.… (More)

- Matthew J Page, Larissa Shamseer, +8 authors David Moher
- PLoS medicine
- 2016

BACKGROUND
Systematic reviews (SRs) can help decision makers interpret the deluge of published biomedical literature. However, a SR may be of limited use if the methods used to conduct the SR are flawed, and reporting of the SR is incomplete. To our knowledge, since 2004 there has been no cross-sectional study of the prevalence, focus, and completeness of… (More)

- Paramvir Bahl, Paul Barham, +10 authors Ming Zhang
- 2006

This paper presents the Leslie Graph, a simple yet powerful abstraction describing the complex dependencies between network, host and application components in modern networked systems. It discusses challenges in the discovery of Leslie Graphs, their uses, and describes two alternate approaches to their discovery, supported by some initial feasibility… (More)