Concept

Hyperbolic geometry

Related publications (284)

Mode locking in monolithic two-section InGaN blue-violet semiconductor lasers

Nicolas Grandjean, Jean-François Carlin, Julien Dorsaz, Jean-Michel Jacques Lamy, Dmitri Boiko, Luca Alex Milo Sulmoni, Xi Zeng

Passive mode-locked pulses with repetition frequencies in the range 40 to 90 GHz were observed in blue-violet GaN-based quantum-well lasers without external cavities. The lasers had two-section geometry with built-in saturable absorber section. The individ ...

Amer Inst Physics2013

Cell Guidance on Nanogratings: A Computational Model of the Interplay between PC12 Growth Cones and Nanostructures

Silvestro Micera

Background: Recently, the effects of nanogratings have been investigated on PC12 with respect to cell polarity, neuronal differentiation, migration, maturation of focal adhesions and alignment of neurites. Methodology/Principal Findings: A synergistic proc ...

Public Library Science2013

Graph-Based vs Depth-Based Data Representation for Multiview Images

Pascal Frossard, Thomas Maugey

In this paper, we propose a representation and coding method for multiview images. As an alternative to depth-based schemes, we propose a representation that captures the geometry and the dependencies between pixels in different views in the form of connec ...

2013

Controlling caustics

Mark Pauly

Caustics are captivating light patterns created by materials focusing or diverting light by refraction or reflection. We know caustics as random side effects, appearing, for example, at the bottom of a swimming pool, or generated by many glass objects, lik ...

2013

The Energy Density in the Planar Ising Model

Clément Hongler, Stanislav Smirnov

We study the critical Ising model on the square lattice in bounded simply connected domains with + and free boundary conditions. We relate the energy density of the model to a discrete fermionic spinor and compute its scaling limit by discrete complex anal ...

2013

Geodesic distance for right invariant Sobolev metrics of fractional order on the diffeomorphism group. II

Martins Bruveris, Martin Bauer

The geodesic distance vanishes on the group of compactly supported diffeomorphisms of a Riemannian manifold of bounded geometry, for the right invariant weak Riemannian metric which is induced by the Sobolev metric of order on the Lie algebra of vector fie ...

Springer Verlag2013

Input-output theory of the unconventional photon blockade

Vincenzo Savona, Hugo Pierre Alexandre Flayac

We study the unconventional photon blockade, recently proposed for a coupled-cavity system, in the presence of input and output quantum fields. Mixing of the input or output channels still allows strong photon antibunching of the output field, but for opti ...

American Physical Society2013

The Intricate Chemistry of Cobalt(II) Halides and Bis(diphenylphosphanyl)ethane

Rosario Scopelliti, Kay Severin, Heron Vrubel, Gregor Kiefer

Phosphane complexes of the putative formula [CoX2(dppe)] [X = Cl, Br, I; dppe = bis(diphenylphosphanyl)ethane] are frequently used catalyst precursors in cobalt-catalyzed reactions. Despite their widespread use, these complexes have not been structurally c ...

Wiley-Blackwell2013

Euclidean Distance Matrix Completion for Ad-hoc Microphone Array Calibration

Hervé Bourlard, Philip Neil Garner, Mohammadjavad Taghizadeh, Reza Parhizkar

This paper addresses the application of missing data recovery via matrix completion for audio sensor networks. We propose a method based on Euclidean distance matrix completion for ad-hoc microphone array location calibration. This method can calibrate a f ...

2013

Euclidean Distance Matrix Completion for Ad-hoc Microphone Array Calibration

Hervé Bourlard, Philip Neil Garner, Mohammadjavad Taghizadeh, Reza Parhizkar

2013

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