Results 11 to 20 of about 42,945,397 (252)

On the restriction of the Fourier transform to polynomial curves [PDF]

open access: yes, 2007
We prove a Fourier restriction theorem on curves parametrised by the mapping P(t) = (P1(t),..., Pn(t)), where each of the P1,..., Pn is a real-valued polynomial and t belongs to an interval on which each of the P1,..., Pn "resembles" a ...
Dendrinos, S.
core   +8 more sources

A guide to cost-effectiveness acceptability curves [PDF]

open access: yes, 2005
Use of cost-effectiveness acceptability curves, as a method for summarising information on uncertainty in cost-effectiveness, has become widespread within applied studies. This includes several studies in the mental health field.
Byford, S.   +3 more
core   +1 more source

Composition laws for learning curves of industrial manufacturingprocesses [PDF]

open access: yes, 2003
The theory of learning curves is widely investigated in many fields related to production planning, quality improvement and cost analysis. Many different approaches to describe the learning mechanism of a process are reported in the academic literature ...
Franceschini, Fiorenzo   +1 more
core   +1 more source

Universal Lp improving for averages along polynomial curves in low dimensions [PDF]

open access: yes, 2009
We prove sharp Lp → Lq estimates for averaging operators along general polynomial curves in two and three dimensions. These operators are translation-invariant, given by convolution with the so-called affine arclength measure of the curve and we obtain ...
Wright, James   +5 more
core   +1 more source

Motions of Curves in the Projective Plane Inducing the Kaup-Kupershmidt Hierarchy [PDF]

open access: yes, 2012
The equation of a motion of curves in the projective plane is deduced. Local flows are defined in terms of polynomial differential functions. A family of local flows inducing the Kaup-Kupershmidt hierarchy is constructed.
Musso, Emilio, Emilio Musso, Musso, E.
core   +1 more source

Preprint: Murmurations of Elliptic Curves

open access: yes, 2022
We investigate the average value of the pth Dirichlet coefficients of elliptic curves for a prime p in a fixed conductor range with given rank. Plotting this average yields a striking oscillating pattern, the details of which vary with the rank. Based on
Oliver, T.   +3 more
core   +1 more source

p-y curves for lateral bearing behavior of strength composite piles in soft clay

open access: yesYantu gongcheng xuebao, 2020
The strength composite (SC) pile is a novel type of pile technology which combines high-strength concrete piles and deep cement-mxing (DCM) columns. To attain a theoretical approach for the lateral bearing capacity of SC piles in soft clay, the cement ...
WANG An-hui 1, 2, ZHANG Ding-wen 1, 2, XIE Jing-chen 3
doaj   +1 more source

Fourier restriction to polynomial curves I: a geometric inequality [PDF]

open access: yes, 2010
We prove a Fourier restriction result for general polynomial curves in Rd. Measuring the Fourier restriction with respect to the affine arclength measure of the curve, we obtain a universal estimate for the class of all polynomial curves of bounded ...
Wright, James   +5 more
core   +1 more source

Static and cyclic p-y curves for laterally loaded piles in soft clay

open access: yesYantu gongcheng xuebao, 2017
A pseudo-three-dimensional analysis method on static p-y curves of laterally loaded piles in soft clay is conducted. This method is based on the two-dimensional elastic fictitious loading upper bound limit analysis approach considering the stress-strain ...
HUANG Mao-song 1, 2, MA Hao 1, 2, LI Sen 1, 2, YU Jian 1, 2, ZHANG Chen-rong 1, 2
doaj   +1 more source

P-Y Curves for Single Piles in Sand from the Standard Penetration Test (SPT)

open access: yesJournal of Materials and Engineering Structures, 2021
It is nowadays recognized the P-Y curves-based methods are the most commonly used methods for the analysis and design of pile foundations under lateral loads.
Abdesselem LAOUEDJ, Ali BOUAFIA
doaj  

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