Publication

Form, function, and evolution of living organisms

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Material Flow Analysis (MFA)

Claudia Rebeca Binder Signer

Material flow analysis (MFA) is a method to describe and analyze the material and energy balance of a firm, a region, or a nation. It is based on the law of matter conservation and is defined by a geographic system boundary, a time span within which the an ...

Berkshire Publishing Group2012

Universal Scaling Law for Jets of Collapsing Bubbles

Mohamed Farhat, Nicolas Dorsaz, Danail Obreschkow, Philipp Kobel, Aurèle De Bosset, Marc Tinguely

Cavitation bubbles collapsing and rebounding in a pressure gradient del p form a "microjet" enveloped by a "vapor jet." This Letter presents unprecedented observations of the vapor jets formed in a uniform gravity-induced del p, modulated aboard parabolic ...

2011

Metabolic principles of river basin organization

Andrea Rinaldo

The metabolism of a river basin is defined as the set of processes through which the basin maintains its structure and responds to its environment. Green (or biotic) metabolism is measured via transpiration and blue (or abiotic) metabolism through runoff. ...

2011

Towards an Autonomous Evolution of Non-Biological Physical Organisms

Francesco Mondada, Michael Bonani, Stéphane Magnenat, Roderich Gross, Lorenz Küchler

We propose an experimental study where simplistic organ- isms rise from inanimate matter and evolve solely through physical interactions. These organisms are composed of three types of macroscopic building blocks floating in an agitated medium. The dynamis ...

Springer Verlag2011

Biogeography, Evolution and Diversity of Free-Living Protists

Thierry Jean Heger

Although widely recognized as essential actors of ecosystem processes and representing a significant part of the Earth's biodiversity, free-living protists are poorly known. Major questions concerning their diversity, ecology, and evolution remain complete ...

EPFL2010

The evolution of communication in robot societies

Sara Mitri

Communication is fundamental to life on earth. All social organisms, from bacteria to humans, use communicative signals to coordinate their behaviors with members of their own and other species. Despite its key role in social organization, many questions r ...

EPFL2009

Self-Organizing Configurable Bit Slice Processors

Joël Rossier

Living organisms are endowed with three structural principles: multicellular architecture, cellular division, and cellular differentiation. Implemented in digital according to these principles, our bit slice processors present self-organizing mechanisms li ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

A law of the iterated logarithm for fractional Brownian motions

Thomas Mountford, Driss Baraka

We show that for a class of Gaussian processes indexed by one dimensional time, the local times obey the behavior conjectured by Xiao. ...

2008

Optimal Capital and Risk Allocations for Law-and Cash-Invariant Convex Functions

Damir Filipovic, Gregor Svindland

In this paper we provide the complete solution to the existence and characterization problem of optimal capital and risk allocations for not necessarily monotone, law-invariant convex risk measures on the model space Lp, for any p ε [1;∞]. Our main result ...

Springer Verlag2008

The Intrinsic Permeability of Packed SiC Particles with Monomodal and Bimodal Size Distributions

The intrinsic permeability k of preforms of packed alpha-SiC particles having monomodal and bimodal particle size distributions has been evaluated by pressureless infiltration of a wetting organic fluid at room temperature. The study was carried out using ...

SAGE Publications2008