Zobrazeno 1 - 10
of 15 343
pro vyhledávání: '"A, Lauria"'
We study the 1d Ising model with long-range interactions decaying as $1/r^{1+s}$. The critical model corresponds to a family of 1d conformal field theories (CFTs) whose data depends nontrivially on $s$ in the range $1/2\leq s\leq 1$. The model is kno
Externí odkaz:
http://arxiv.org/abs/2412.12243
Autor:
Lauria, Davide, Park, JiHo, Hu, Yuan, Lindquist, W. Brent, Rachev, Svetlozar T., Fabozzi, Frank J.
We address the problem of asset pricing in a market where there is no risky asset. Previous work developed a theoretical model for a shadow riskless rate (SRR) for such a market in terms of the drift component of the state-price deflator for that ass
Externí odkaz:
http://arxiv.org/abs/2411.07421
We examine a mean-reverting Ornstein-Uhlenbeck process that perturbs an unknown Lipschitz-continuous drift and aim to estimate the drift's value at a predetermined time horizon by sampling the path of the process. Due to the time varying nature of th
Externí odkaz:
http://arxiv.org/abs/2405.10795
Simple Exponential Smoothing is a classical technique used for smoothing time series data by assigning exponentially decreasing weights to past observations through a recursive equation; it is sometimes presented as a rule of thumb procedure. We intr
Externí odkaz:
http://arxiv.org/abs/2403.04345
In recent demonstrations of the quantum charge-coupled device (QCCD) computer architecture, circuit times are dominated by cooling. Some motional modes of multi-ion crystals take orders-of-magnitude longer to cool than others because of low coolant i
Externí odkaz:
http://arxiv.org/abs/2403.02315
For QFTs in AdS the boundary correlation functions remain conformal even if the bulk theory has a scale. This allows one to constrain RG flows with numerical conformal bootstrap methods. We apply this idea to flows between two-dimensional CFTs, focus
Externí odkaz:
http://arxiv.org/abs/2401.06818
We propose a discrete-time econometric model that combines autoregressive filters with factor regressions to predict stock returns for portfolio optimisation purposes. In particular, we test both robust linear regressions and general additive models
Externí odkaz:
http://arxiv.org/abs/2401.00188
Autor:
Lauria, Simone, Saleh, Mohammed F.
Publikováno v:
Optics Express Vol. 32, Issue 4, pp. 5582-5591 (2024)
We present a novel implementation of conditional Long Short-Term Memory Recurrent Neural Networks that successfully predict the spectral evolution of a pulse in nonlinear periodically-poled waveguides. The developed networks offer large flexibility b
Externí odkaz:
http://arxiv.org/abs/2312.13326
Publikováno v:
SciPost Phys. 16, 090 (2024)
We construct unitary, stable, and interacting conformal boundary conditions for a free massless scalar in four dimensions by coupling it to edge modes living on a boundary. The boundary theories we consider are bosonic and fermionic QED$_3$ with $N_f
Externí odkaz:
http://arxiv.org/abs/2312.11633
We combine perturbation theory with analytic and numerical bootstrap techniques to study the critical point of the long-range Ising (LRI) model in two and three dimensions. This model interpolates between short-range Ising (SRI) and mean-field behavi
Externí odkaz:
http://arxiv.org/abs/2311.02742