Zobrazeno 1 - 10
of 13 059
pro vyhledávání: '"A Tanzi"'
In many large-scale classification problems, classes are organized in a known hierarchy, typically represented as a tree expressing the inclusion of classes in superclasses. We introduce a loss for this type of supervised hierarchical classification.
Externí odkaz:
http://arxiv.org/abs/2411.16438
We propose a theory of unimodal maps perturbed by an heteroscedastic Markov chain noise and experiencing another heteroscedastic noise due to uncertain observation. We address and treat the filtering problem showing that by collecting more and more o
Externí odkaz:
http://arxiv.org/abs/2411.13939
In this paper we investigate the action of self-consistent transfer operators (STOs) on Birkhoff cones and give sufficient conditions for stability of their fixed points. Our approach relies on the order preservation properties of STOs that can be es
Externí odkaz:
http://arxiv.org/abs/2408.08745
Autor:
Jiang, Yanchao, Pilori, Dario, Nespola, Antonino, Tanzi, Alberto, Piciaccia, Stefano, Zefreh, Mahdi Ranjbar, Forghieri, Fabrizio, Poggiolini, Pierluigi
We investigate launch power optimization in 12-THz super-(C+L) systems, using iterative performance evaluation enabled by NLI closed-form models. We find that, despite the strong ISRS, these systems tolerate well easy-to-implement suboptimal launch p
Externí odkaz:
http://arxiv.org/abs/2407.14401
We consider the differential of a self-consistent transfer operator at a fixed point of the operator itself and show that its spectral properties can be used to establish a kind of local exponential convergence to equilibrium: probability measures ne
Externí odkaz:
http://arxiv.org/abs/2407.09314
Autor:
Jiang, Y., Sarkis, J., Nespola, A., Forghieri, F., Piciaccia, S., Tanzi, A., Zefreh, M. Ranjbar, Poggiolini, P.
We investigate C+L+S long-haul systems using a closed-form GN/EGN non-linearity model. We perform accurate launch power and Raman pump optimization. We show a potential 4x throughput increase over legacy C-band systems in 1000 km links, using moderat
Externí odkaz:
http://arxiv.org/abs/2407.09041
Autor:
Jiang, Yanchao, Nespola, Antonino, Straullu, Stefano, Tanzi, Alberto, Piciaccia, Stefano, Forghieri, Fabrizio, Pilori, Dario, Poggiolini, Pierluigi
We present a series of experiments testing the accuracy of a new closed-form multiband EGN model, carried out over a full-Raman 9-span C+L link. Transmission regimes ranged from linear to strongly non-linear with large ISRS. We found good corresponde
Externí odkaz:
http://arxiv.org/abs/2407.07473
Autor:
Fernandez, Bastien, Tanzi, Matteo
Feedback delay has been identified as a key ingredient in the quorum sensing synchronization of synthetic gene oscillators. While this influence has been evidenced at the theoretical level in a simplified system of degrade-and-fire oscillators couple
Externí odkaz:
http://arxiv.org/abs/2405.07752
Autor:
Preti, Niccolò, Antolini, Nicolò, Biagioni, Giulio, Fioretti, Andrea, Modugno, Giovanni, Tanzi, Luca, Gabbanini, Carlo
Short-wavelength repulsive potentials for quantum gases allow to realize new systems and to study new phenomena. Here we report the realization of repulsive optical potentials for dysprosium atoms in the blue region of the spectrum, at wavelengths cl
Externí odkaz:
http://arxiv.org/abs/2403.18677
Autor:
Yao, Hepeng, Tanzi, Luca, Sanchez-Palencia, Laurent, Giamarchi, Thierry, Modugno, Giovanni, D'Errico, Chiara
Publikováno v:
Phys. Rev. Lett. 133, 123401 (2024)
Disorder or quasi-disorder is known to favor the localization in many-body Bose systems. Here in contrast, we demonstrate an anomalous delocalization effect induced by incommensurability in quasiperiodic lattices. Loading ultracold atoms in two shall
Externí odkaz:
http://arxiv.org/abs/2402.15318