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Endeavors in synthetically oriented organometallic chemistry

Giuseppe Mangano

This thesis work aimed to show the potentialities of the organometallic approach and, in particular, the organoalkali one, in Organic Synthesis (whose possibilities cannot be underestimated). A wide opening on the big landscape of possibilities has been re ...

EPFL2004

Performance analysis of a class of clustered wireless networks

Ali H. Sayed

We derive performance expressions for the throughput and blocking probability for a class of wireless networks with a clustering protocol. The nodes are assumed stationary and establish connections with the master node according to a priority scheme that r ...

IEEE2004

A lower bound to the scaling behavior of sensor networks

Martin Vetterli, Michael Christoph Gastpar

For a class of sensor networks, the task is to monitor an underlying physical phenomenon over space and time through a noisy observation process. The sensors can communicate back to a data collector over a noisy channel. The key parameters in such a se ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2004

Point Matching as a Classification Problem for Fast and Robust Object Pose Estimation

Pascal Fua, Vincent Lepetit, Julien Pilet

We propose a novel approach to point matching under large viewpoint and illumination changes that is suitable for accurate object pose estimation at a much lower computational cost than state-of-the-art methods. Most of these methods rely either on using a ...

2004

Randomized Trees for Real-Time Keypoint Recognition

Pascal Fua, Vincent Lepetit, Pascal Lagger

In earlier work, we proposed treating wide baseline matching of feature points as a classification problem, in which each class corresponds to the set of all possible views of such a point. We used a K-mean plus Nearest Neighbor classifier to validate our ...

2004

Modeling Consensus in a Process Calculus

Rachele Fuzzati, Massimo Merro

We give a process calculus model that formalizes a well-known algorithm (introduced by Chandra and Toueg) solving consensus in the presence of a particular class of failure detectors; we use our model to formally prove that the algorithm satisfies its spec ...

2003

Modeling Consensus in a Process Calculus

Rachele Fuzzati, Massimo Merro

We give a process calculus model that formalizes a well known algorithm (introduced by Chandra and Toueg) solving consensus in the presence of a particular class of failure detectors (Diamond S); we use our model to formally prove that the algorithm satisf ...

2003

Preparation of (ethylene)-(propylene)-triaminepentaacetic acid derivatives for use in the production of pharmaceutical agents

André Merbach, Eva Jakab Toth, Sabrina Laus

The invention relates to a novel class of ligands, complexes comprising such ligands and a metal ion, and adducts of these metal complexes and a macromolecule. Pharmaceutical compositions and methods of making and using the ligand-metal complexes are also ...

2003

Why Max-min Fairness Is Not Suitable For Multi-Hop Wireless Networks

Jean-Yves Le Boudec

We consider the issue of which criteria to use when evaluating the design of a wireless multihop network. It is known, and we illustrate in this paper, that maximizing the total capacity, or transport capacity, leads to gross imbalance and is not suitable. ...

2003

A new class of quasi-omnigenous configurations

Wilfred Anthony Cooper

An approximation to a quasi-omnigenous structure of the magnetic field strength has been numerically obtained by optimization of the magnetic configuration of a conventional heliotron/torsatron. This configuration shows very good collisionless confinement ...

2003