Results 31 to 40 of about 2,052,813 (206)
Polynomials which take Gaussian integer values at Gaussian integers [PDF]
, 1977 A factorial set for the Gaussian integers is a set G = {g1, g2 … gn} of Gaussian integers such that G(z) = Πk (z − gk)gk takes Gaussian integer values at Gaussian integers. We characterize factorial sets and give a lower bound for max∥z∥2=nπ ∥ G(z)∥.
Douglas Hensley, Hensley, Douglas
core +1 more source
Accelerating Materials Discovery: A Review of Machine Learning in X‐Ray Absorption Spectroscopy
Advanced Intelligent Systems, EarlyView.This review systematically details how machine learning transforms X‐ray absorption spectroscopy (XAS) analysis. It covers advanced deep learning architectures for structure‐spectra mapping and inverse tasks, while discussing key challenges like the simulation‐to‐reality gap.
Melaku Lake Tegegne +5 more
wiley +1 more source
Non-convex mixed-integer nonlinear programming : a survey [PDF]
, 2012 A wide range of problems arising in practical applications can be formulated as Mixed-Integer Nonlinear Programs (MINLPs). For the case in which the objective and constraint functions are convex, some quite effective exact and heuristic algorithms are ...
Burer, S +3 more
core +4 more sources
Gaussian modified pell sequence and gaussian modified pell polynomial sequence [PDF]
, 2018 In this paper, we first define the Gaussian modified Pell sequence, for n ≥ 2, by the relation = 2 + with initial conditions = 1 ─ i and = 1 + i.
Yağmur, Tülay +3 more
core +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Abstract Hybrid models (HMs) combine fundamental model (FM) equations with empirical components. These models can lead to improved predictions because they reduce process/model mismatch and can account for phenomena that are not considered in the FM equations.
Mouna Y. Harb, Kimberley B. McAuley
wiley +1 more source
Canadian Journal of Statistics, EarlyView.Abstract This article presents a strategy for conducting regression analysis of zero‐truncated recurrent event data. The research is partly motivated by a pediatric mental health care (PMHC) program based on administrative data. We are particularly interested in how the occurrence of an event depends on its past occurrences and the associated ...
Anqi A. Chen +3 more
wiley +1 more source
Canadian Journal of Statistics, EarlyView.Abstract Homogeneous normalized random measures with independent increments represent a broad class of Bayesian nonparametric priors and thus are widely used. In this article, we obtain the strong law of large numbers, the central limit theorem (CLT), and the functional central limit theorem (fCLT) of such measures when the concentration parameter a ...
Junxi Zhang, Shui Feng, Yaozhong Hu
wiley +1 more source
Algebraic curves, integer sequences and a discrete Painleve transcendent [PDF]
We consider some bilinear recurrences that have applications in number theory. The explicit solution of a general three-term bilinear recurrence relation of fourth order is given in terms of the Weierstrass sigma function for an associated elliptic curve.
Hone, Andrew N.W.
core
Sparse maximum likelihood estimation of regression models
Canadian Journal of Statistics, EarlyView.Abstract For regression model selection and estimation, we study a small set of candidate models of maximum likelihood from which all information criteria such as the Akaike information criterion (AIC) and the Bayesian information criterion (BIC) choose their models.
Min Tsao
wiley +1 more source
Generation of high energy-efficiency perfect Gaussian integer sequences and OTFS pilot design
Tongxin xuebaoTo enhance the channel estimation accuracy of orthogonal time frequency space (OTFS) systems in high-mobility scenarios, a novel pilot design scheme based on high-energy-efficiency perfect Gaussian integer sequence (PGIS) was proposed.
Liu Kai, Lyu Chen
doaj +2 more sources