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- Stefania Sardellitti, Massimiliano Giona, Sergio Barbarossa
- IEEE Transactions on Signal Processing
- 2010

Distributed consensus algorithms have recently gained large interest in sensor networks as a way to achieve globally optimal decisions in a totally decentralized way, that is, without the need of sending all the data collected by the sensors to a fusion center. However, distributed algorithms are typically iterative and they suffer from convergence time and… (More)

- Paolo Badini, Peter De Cupis, Giorgio Gerosa, Massimiliano Giona
- IEEE Trans. Biomed. Engineering
- 2003

A nonstationary model for high-temperature hyperthermic treatments is developed. The aim of this model is to describe the thermal propagation within a living tissue and to quantify its clinical effects as it regards the physiological status (necrosis) of a neoplastic body. Particular attention is turned to the description of the necrotic transition induced… (More)

- Alessandra Adrover, Francesco Creta, Massimiliano Giona, Massimiliano Valorani
- J. Comput. Physics
- 2007

- Stefania Tronci, Massimiliano Giona, Roberto Baratti
- Neurocomputing
- 2003

This work analyses the problems related to the reconstruction of a dynamical system, which exhibits chaotic behaviour, from time series associated with a single observable of the system itself, by using feedforward neural network model. The starting network architecture is obtained setting the number of input neurons according to the Takens’ theorem, and… (More)

- M Giona, V Vitacolonna, S Cerbelli, A Adrover
- Physical review. E, Statistical, nonlinear, and…
- 2004

The qualitative spectral properties characterizing the advection-diffusion operator in two-dimensional steady incompressible flows can be obtained from the analysis of simple model flows on the torus, the velocity field of which attains the simple expression v (x) = (0, v(y) (x) ) . For this class of simple flows, the advection-diffusion operator reduces to… (More)

- Massimiliano Giona, Alessandra Adrover
- Biotechnology and bioengineering
- 2002

This article proposes a modification of the model developed by Sinha (1988) and Sen and Liu (1990) for the regulation dynamics of the tryptophan operon in E. coli based on a consistent overall balance of the agent repressing the mRNA transcription. The dynamics of the model are analyzed by means of continuation techniques and the influence of periodic… (More)

- M Giona, A Adrover, F Creta, M Valorani
- The journal of physical chemistry. A
- 2006

This Article extends the geometric analysis of slow invariant manifolds in explosive kinetics developed by Creta et al. to three-dimensional and higher systems. Invariant manifolds can be characterized by different families of Lyapunov-type numbers, based either on the relative growth of normal to tangential perturbations or on the deformation of… (More)

- M Giona, A Adrover, S Cerbelli, V Vitacolonna
- Physical review letters
- 2004

The spectral properties of the Poincaré operator associated with the advection-diffusion equation for partially chaotic periodic flows defined in bounded domains are analyzed in this Letter. For vanishingly small diffusivities (i.e., for the Peclet number tending to infinity) the dominant eigenvalue Lambda exhibits the scaling Lambda approximately Pe-alpha,… (More)

- Stefano Cerbelli, Massimiliano Giona
- J. Nonlinear Science
- 2005

- F Creta, A Adrover, S Cerbelli, M Valorani, M Giona
- The journal of physical chemistry. A
- 2006

This article analyzes in detail the global geometric properties (structure of the slow and fast manifolds) of prototypical models of explosive kinetics (the Semenov model for thermal explosion and the chain-branching model). The concepts of global or generalized slow manifolds and the notions of heterogeneity and alpha-omega inversion for invariant… (More)