Results 51 to 60 of about 1,468,677 (198)

On the construction and structural analysis of Bell-enriched Appell-lambda polynomials via quasi-monomiality

Journal of Nigerian Society of Physical Sciences
A fresh class of hybrid special polynomials, termed the Bell-enriched Appell-lambda-polynomials, is constructed through the discrete convolution of Bell-based lambda-polynomials with the Appell sequence.
Farukh Ahmed Mulani, Waseem Ahmad Khan, Shahid Ahmad Wani   +2 more
doaj   +1 more source

Polynomial‐shaped electrodes for adaptive X‐ray optics

Journal of Synchrotron Radiation, EarlyView.
A shaped electrode design for lithium niobate adaptive X‐ray mirrors connects actuator degrees of freedom to specific polynomial orders, enabling general shape control and the correction of defocus, coma and fourth‐order aberrations with a limited number of inputs.For adaptive mirrors on X‐ray beamlines and optical systems, we describe a strategy for ...
Kenneth A. Goldberg, Francesco Marzari, Grant D. Cutler   +2 more
wiley   +1 more source

Register‐Efficient Linear‐Time Evaluation in the Bernstein Basis

Computer Graphics Forum, EarlyView.
Abstract We investigate the evaluation of points and derivatives of Bézier curves and surfaces on modern architectures, focusing on performance and guided by numerical error bounds. While the de Casteljau algorithm remains the reference for numerical robustness, its linear working‐set size imposes substantial register pressure on GPUs.
Gábor Valasek, Anna Lili Horváth
wiley   +1 more source

A Note on Truncated Exponential-Based Appell Polynomials via Fractional Operators

Axioms
In this work, we construct a new class of Appell-type polynomials generated through extended truncated and truncated exponential kernels, and we analyze their core algebraic and operational features.
Waseem Ahmad Khan, Francesco Aldo Costabile, Khidir Shaib Mohamed, Alawia Adam, Shahid Ahmad Wani   +4 more
doaj   +1 more source

Parallel Vectors Extraction using Bézier Clipping

Computer Graphics Forum, EarlyView.
Abstract In this paper, we propose a novel local feature extraction algorithm for the parallel vectors (PV) operator. Our method is based on Bézier clipping, which is a bracketing‐based root finding method that is commonly‐used in computer‐aided geometric design.
Nico Daßler, Tobias Günther
wiley   +1 more source

On certain non-linear differential monomial sharing non-zero polynomial

Ukrains’kyi Matematychnyi Zhurnal, 2021
UDC 517.5 With the idea of normal family we study the uniqueness of meromorphic functions and when and  share two values, where   and is a polynomial. The obtained result significantly improves and generalizes the result in [A. Banerjee, S. Majumder, <em>On certain non-linear differential polynomial sharing a non-zero polynomial</em> ...
S. Majumder, A. Dam
openaire   +1 more source

Measure‐valued processes for energy markets

Mathematical Finance, Volume 35, Issue 2, Page 520-566, April 2025.
Abstract We introduce a framework that allows to employ (non‐negative) measure‐valued processes for energy market modeling, in particular for electricity and gas futures. Interpreting the process' spatial structure as time to maturity, we show how the Heath–Jarrow–Morton approach can be translated to this framework, thus guaranteeing arbitrage free ...
Christa Cuchiero, Luca Di Persio, Francesco Guida, Sara Svaluto‐Ferro   +3 more
wiley   +1 more source

A Modification of the Moving Least-Squares Approximation in the Element-Free Galerkin Method

Journal of Applied Mathematics, 2014
The element-free Galerkin (EFG) method is one of the widely used meshfree methods for solving partial differential equations. In the EFG method, shape functions are derived from a moving least-squares (MLS) approximation, which involves the inversion of ...
Yang Cao, Jun-Liang Dong, Lin-Quan Yao
doaj   +1 more source

Random Turán Problems for Hypergraph Expansions

Random Structures &Algorithms, Volume 69, Issue 4, December 2026.
ABSTRACT Given an r0$$ {r}_0 $$‐uniform hypergraph F$$ F $$, we define its r$$ r $$‐uniform expansion F(r)$$ {F}^{(r)} $$ to be the hypergraph obtained from F$$ F $$ by inserting r−r0$$ r-{r}_0 $$ distinct vertices into each edge of F$$ F $$, and we define ex(Gn,pr,F(r))$$ \mathrm{ex}\left({G}_{n,p}^r,{F}^{(r)}\right) $$ to be the largest F(r)$$ {F ...
Jiaxi Nie, Sam Spiro
wiley   +1 more source

Differential cumulants, hierachical models and monomial ideals

, 2011
For a joint probability density function f(x) of a random vector X the mixed partial derivatives of log f(x) can be interpreted as limiting cumulants in an infinitesimally small open neighborhood around x. Moreover, setting them to zero everywhere gives independence and conditional independence conditions.
Bruynooghe, Daniel, Wynn, Henry P.
openaire   +2 more sources