Post-inflationary boundary conditions are essential to the existence of our highly structured universe, and these can only come about through quantum mechanical state reductions – i.e., through measurements. The choice is between: An ‘objective’ measurement that allows reduction to occur independent of conscious observers, and an ‘observer’ based measurement that ties reduction to the existence...

This paper performs a global analysis of entrainment between dyads in map-task dialogues in European Portuguese (EP), including 48 dialogues, between 24 speakers. Our main goals focus on the acoustic-prosodic similarities between speakers, namely if there are global entrainment cues displayed in the dialogues, if there are degrees of entrainment manifested in distinct sets of features shared am...

A new chaotic communication scheme using sliding-mode adaptive observer is presented. Using synchronization in conjunction with digital communication schemes, we have enhanced the security of the transmitted signal and achieved a satisfactory, typical, secure communication scheme. The proposed system requires only one observer, which is an advantage over some of related work in this area. The s...

2 Algebraic preliminaries 4 2.1 Notations and conventions . . . . . . . . . . . . . . . . . . . . 4 2.2 Duality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2.1 Local Duality . . . . . . . . . . . . . . . . . . . . . . . 5 2.2.2 Global Duality . . . . . . . . . . . . . . . . . . . . . . 6 2.3 Assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.4 Prelimin...

a fuzzy observer based scheme for synchronizing two hyperchaoticoscillators via a scalar transmitted signal for cryptographic application isproposed. the takagi-sugeno fuzzy model exactly represents chaotic systems.based on the general fuzzy model, the fuzzy observer of a chaotic system isdesigned on the basis of the n-shift multiple state based key encryption algorithm.the scalar transmitted s...

Alexandrium catenella (group IV) and Alexandrium tamarense (group III) (Dinophyceae) are two cryptic invasive phytoplankton species belonging to the A. tamarense species complex. Their worldwide spread is favored by the human activities, transportation and climate change. In order to describe their diversity in the Mediterranean Sea and understand their settlements and maintenances in this area...

Recent developments in optimal observer design for dynamic positioning have led to application of contraction analysis. In this paper a theoretical method for nonlinear optimal observer design and a suboptimal observer using a state-dependent Riccati equation approach are presented. The observer will be compared to an existing observer and its properties and performance is discussed. Early obse...

A new observer, namely a cascade observer, for a general class of nonlinear SISO systems was presented by the authors [1]. Inspired by but different from a highgain observer, the cascade observer features a cascade structure and adaptive observer gains. In doing so the cascade observer attempts to overcome some of the typical problems that may pose to a high-gain observer. Based on the cascade ...