Results 31 to 40 of about 13,472,146 (356)

A PROPERTY OF GREEN'S FUNCTION [PDF]

Real Analysis Exchange, 1995
Let \(k\) be a positive integer, \(M_0\) and \(M_1\) subsets of \(\{0,1,\dots,k-1\}\) such that the sum of their cardinalities is \(k\). Suppose that the solution \(u=u(x)\) of the boundary value problem \(u^{(k)}=f\) in \((0,1)\), \(u^{(i)}=0\) for \(i\in M_0\), \(u^{(j)}(1)=0\) for \(j\in M_1\) with \(f\) not changing sign in \((0,1)\) can be ...
openaire   +3 more sources

Green function techniques in the treatment of quantum transport at the molecular scale [PDF]

, 2008
The theoretical investigation of charge (and spin) transport at nanometer length scales requires the use of advanced and powerful techniques able to deal with the dynamical properties of the relevant physical systems, to explicitly include out-of ...
D. Ryndyk, R. Gutierrez, B. Song, G. Cuniberti   +3 more
semanticscholar   +1 more source

Application of the Fourier method to solve the problems of the theory of drying by electromagnetic radiation

Физика волновых процессов и радиотехнические системы, 2019
On the basis of the idea of splitting the process into physical factors, using the Fourier method and the green function apparatus, an algorithm for constructing a new class of solutions to the initial boundary value problems of the theory of drying by ...
A.M. Afanasiev, Yu.S. Bakhracheva, B.N. Siplivy   +2 more
doaj   +1 more source

Reconstruction of initial heat distribution via Green function method

Electronic Research Archive, 2022
In this paper, layer potential techniques are investigated for solving the thermal diffusion problem. We construct the Green function to get the analytic solution.
Xiaoping Fang, Youjun Deng , Zaiyun Zhang   +2 more
doaj   +1 more source

Dominance of forest structural traits in shaping soil bacterial community assembly in Beijing’s urban forests

Frontiers in Soil Science
Urban forests constitute vital ecological interfaces between built environments and natural systems, yet the mechanisms driving soil microbial community assembly in these ecosystems remain poorly understood.
Yi Zheng, Conghai Han, Jixin Cao, Yanchun Wang, Huiwen Hu, Dongyan Yan, Yushu Zhang, Xixi Zhang, Wei Dai, Zuzheng Li, Xi Ding   +10 more
doaj   +1 more source

INCEPTION OF GREEN FUNCTION FOR THE THIRD-ORDER LINEAR DIFFERENTIAL EQUATION THAT IS INCONSISTENT WITH THE BOUNDARY PROBLEM CONDITIONS

Вестник КазНУ. Серия математика, механика, информатика, 2021
Regarding the importance of teaching linear differential equations, it should be noted that every physical and technical phenomenon, when expressed in mathematical sciences, is a differential equation.
Ghulam Hazrat Aimal Rasa, G. Auzerkhan
doaj   +1 more source

Associations of Cognitive Function Scores with Carbon Dioxide, Ventilation, and Volatile Organic Compound Exposures in Office Workers: A Controlled Exposure Study of Green and Conventional Office Environments

Environmental Health Perspectives, 2015
Background: The indoor built environment plays a critical role in our overall well-being because of both the amount of time we spend indoors (~90%) and the ability of buildings to positively or negatively influence our health.
Joseph G. Allen, P. MacNaughton, U. Satish, S. Santanam, J. Vallarino, J. Spengler   +5 more
semanticscholar   +1 more source

Identification of Keystone Plant Species for Avian Foraging and Nesting in Beijing’s Forest Ecosystems: Implications for Urban Forest Bird Conservation

Animals
Urban wildlife conservation is emerging as a critical component of sustainable city ecosystems. Rather than simply increasing tree abundance or species richness, conservation management should focus on key species. In this research, Xishan Forest Park in
Lele Lin, Yongjian Zhao, Chao Yuan, Yushu Zhang, Siyu Qiu, Jixin Cao   +5 more
doaj   +1 more source

Responses of unicellular predators to cope with the phototoxicity of photosynthetic prey

Nature Communications, 2019
Photosynthesis generates reactive oxygen species that can damage cells. Here, the authors show that unicellular predators of photosynthetic prey have shared responses to photosynthetic oxidative stress and these may also have been important for the ...
Akihiro Uzuka, Yusuke Kobayashi, Ryo Onuma, Shunsuke Hirooka, Yu Kanesaki, Hirofumi Yoshikawa, Takayuki Fujiwara, Shin-ya Miyagishima   +7 more
doaj   +1 more source

Phonon Green's function. [PDF]

Proceedings of the National Academy of Sciences, 1991
The concepts of source and quantum action principle are used to produce the phonon Green's function appropriate for an initial phonon vacuum state. An application to the Mossbauer effect is presented.
openaire   +3 more sources