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  1. No Access

    Chapter and Conference Paper

    Research on Improvement Strategies and Parameter Analysis of Ant Colony Algorithm for One-Dimensional Cutting Stock Problem

    Ant Colony Algorithm is a new bionic algorithm which adopts the positive feedback structure, combines parallel computing and heuristic factors. It showed remarkable performance in combinatorial optimization pr...

    Lan Huang, Huayi Chen, Bin Yang, Chun-Guang Zhou in Advances in Computational Intelligence (2009)

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    Article

    Algebraicity of formal varieties and positivity of vector bundles

    We propose a positivity condition for vector bundles on a projective variety and prove an algebraicity criterion for formal schemes. Then we apply the algebraicity criterion to the study of formal principle in...

    Huayi Chen in Mathematische Annalen (2012)

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    Article

    Majorations explicites des fonctions de Hilbert–Samuel géométrique et arithmétique

    En utilisant l’approche de \(\mathbb R\) R ...

    Huayi Chen in Mathematische Zeitschrift (2015)

  4. No Access

    Article

    Distribution of logarithmic spectra of the equilibrium energy

    Let L be a big invertible sheaf on a projective variety defined on a complete valued field (such as the field \({\mathbb{C}}\) ...

    Huayi Chen, Catriona Maclean in Manuscripta Mathematica (2015)

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    Article

    System optimization model of adoption of a new infrastructure with multi-resource and multi-demand sites

    This study develops a conceptual system optimization model of adoption of a new infrastructure technology with multiple resource sites and multiple demand sites. With the model, this paper analyzes how the dis...

    Yaru Zhang, Huayi Chen, Tieju Ma in Journal of Systems Science and Systems Engineering (2016)

  6. No Access

    Article

    A new asymmetric anthracene derivative with high mobility

    An asymmetric anthracene derivative (4-HDPA) was designed and synthesized. With the optimization of proper scenario of fabrication process, top-contact thin film devices based on 4-HDPA exhibit mobility as hig...

    **xia Yu, Lei Zheng, **feng Li, Lu Wang, Jiangli Han in Science China Chemistry (2019)

  7. No Access

    Chapter

    Nakai-Moishezon’s criterion

    In this chapter, we fix a proper adelic curve S = ( K , ( Ω , A , ν ) , ϕ ) \(S=(K,(\varOmega ,\mathcal A,\nu ),\phi )\) . We assume that, either the σ-algebra A \(\mathcal A\) is discrete, or the ...

    Huayi Chen, Atsushi Moriwaki in Arakelov Geometry over Adelic Curves (2020)

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    Chapter

    Local metrics

    Throughout the chapter, let k be a field equipped with an absolute value |⋅|. We assume that k is complete with respect to this absolute value. If |⋅| is Archimedean, we assume that it is the usual absolute value...

    Huayi Chen, Atsushi Moriwaki in Arakelov Geometry over Adelic Curves (2020)

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    Chapter

    Vector bundles on adelic curves: global theory

    The purpose of this chapter is to study the geometry of adelic curves, notably the divisors and vector bundles.

    Huayi Chen, Atsushi Moriwaki in Arakelov Geometry over Adelic Curves (2020)

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    Chapter

    Adelic line bundles on arithmetic varieties

    In this chapter, we fix a proper adelic curve S = ( K , ( Ω , A , ν ) , ϕ ) \(S=(K,(\varOmega ,\mathcal A,\nu ),\phi )\) .

    Huayi Chen, Atsushi Moriwaki in Arakelov Geometry over Adelic Curves (2020)

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    Chapter

    Metrized vector bundles: local theory

    The purpose of this chapter is to explain the constructions and properties of normed vector spaces over a complete valued field. It will serve as the fundament for the global study of adelic vector bundles. No...

    Huayi Chen, Atsushi Moriwaki in Arakelov Geometry over Adelic Curves (2020)

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    Chapter

    Adelic curves

    The theory of adèles in the study of global fields was firstly introduced by Chevalley [49, Chapitre III] in the function field setting and by Weil [147] in the number field setting. This theory allows to cons...

    Huayi Chen, Atsushi Moriwaki in Arakelov Geometry over Adelic Curves (2020)

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    Chapter

    Slopes of tensor product

    The purpose of this chapter is to study the minimal slope of the tensor product of a finite family of adelic vector bundles on an adelic curve. More precisely, give a family E ¯ 1 , … , E ¯

    Huayi Chen, Atsushi Moriwaki in Arakelov Geometry over Adelic Curves (2020)

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    Article

    On subfiniteness of graded linear series

    Hilbert’s fourteenth problem studies the finite generation property of the intersection of an integral algebra of finite type with a subfield of the fraction field of the algebra. It has a negative answer due ...

    Huayi Chen, Hideaki Ikoma in European Journal of Mathematics (2020)

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    Chapter

    Chapter III : Introduction aux théorèmes de Hilbert-Samuel arithmétiques

    Le but de ce chapitre est d’expliquer quelques théorèmes de type Hilbert-Samuel, qui étudient le comportement asymptotique d’un système linéaire gradué éventuellement métrisé, dans différents contextes : géomé...

    Huayi Chen in Arakelov Geometry and Diophantine Applications (2021)

  16. Article

    Open Access

    The impact of network topological structures on systematic technology adoption and carbon emission reduction

    This paper investigates how the topological structure of the technological spillover network among agents affects the adoption of a new clean technology and the reduction of system’s carbon emissions. Through ...

    Huayi Chen, Huai-Long Shi in Scientific Reports (2021)

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    Article

    Competitive adsorption of lead and cadmium onto nanoplastics with different charges: Two-dimensional correlation spectroscopy study

    The competitive adsorption ability and mechanisms of lead (Pb2+) and cadmium (Cd2+) by nanoplastics (NPs) with positive charges (PS-NH2) and negative charges (PS-SO3H) were investigated by using batch adsorption ...

    Tao Li, **ufeng Cao, **aowei Cui, Rui Zhao in Environmental Science and Pollution Resear… (2023)