Cooperative Cognition and Its Implementation under Web Environment

Author(s):  
Wanchun Dou ◽  
Guihai Chen ◽  
S. C. Cheung ◽  
Shijie Cai
Keyword(s):  
2020 ◽  
Vol 499 (3) ◽  
pp. 4418-4431 ◽  
Author(s):  
Sujatha Ramakrishnan ◽  
Aseem Paranjape

ABSTRACT We use the Separate Universe technique to calibrate the dependence of linear and quadratic halo bias b1 and b2 on the local cosmic web environment of dark matter haloes. We do this by measuring the response of halo abundances at fixed mass and cosmic web tidal anisotropy α to an infinite wavelength initial perturbation. We augment our measurements with an analytical framework developed in earlier work that exploits the near-lognormal shape of the distribution of α and results in very high precision calibrations. We present convenient fitting functions for the dependence of b1 and b2 on α over a wide range of halo mass for redshifts 0 ≤ z ≤ 1. Our calibration of b2(α) is the first demonstration to date of the dependence of non-linear bias on the local web environment. Motivated by previous results that showed that α is the primary indicator of halo assembly bias for a number of halo properties beyond halo mass, we then extend our analytical framework to accommodate the dependence of b1 and b2 on any such secondary property that has, or can be monotonically transformed to have, a Gaussian distribution. We demonstrate this technique for the specific case of halo concentration, finding good agreement with previous results. Our calibrations will be useful for a variety of halo model analyses focusing on galaxy assembly bias, as well as analytical forecasts of the potential for using α as a segregating variable in multitracer analyses.


2021 ◽  
Vol 767 (1) ◽  
pp. 012040
Author(s):  
Faraliyana Mohd Hanafi ◽  
Muhammad Imzan Hassan
Keyword(s):  

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
A. Moshika ◽  
M. Thirumaran ◽  
N. Balaji ◽  
K. Andal ◽  
G. Sambasivam ◽  
...  

2017 ◽  
Vol 16 (5) ◽  
pp. 1883-1883
Author(s):  
Jaeil Lee ◽  
Inkyung Jeon ◽  
Hyukjin Kwon ◽  
Dongil Shin ◽  
Dongkyoo Shin

2003 ◽  
Vol 58 (3) ◽  
pp. 623-640 ◽  
Author(s):  
Cristina Faba-Pérez ◽  
Vicente P. Guerrero-Bote ◽  
Félix De Moya-Anegón
Keyword(s):  

Organizacija ◽  
2009 ◽  
Vol 42 (1) ◽  
pp. 10-16 ◽  
Author(s):  
Vanda Rebolj

E-education between Pedagogical and Didactic Theory and PracticeEducation systems confront new requirements to become more efficient and contribute more to the economic success of society. At the same time there are new challenges for the education systems to perform their tasks using advanced technology. In capacity, information technology considerably surpasses the current learning technology. Supported by Internet it creates an electronic parallel to the standard school and learning. Unfortunately there is only sporadic evidence that supported by information technology, learning and education system as a whole can be considerably improved. In spite of that, we believe there is no way back and e-education is not just a temporary whim. Even though we do not know exactly who should perform what and to which scope. The passiveness of pedagogues, the lack of empirical research and the occurring expansion of the market for e-education products without their quality assessment is not of advantage to this progress. The spread of e-education production without considering the professional opinion of pedagogues, who beside their practical work must also engage in developing their own pedagogical theory, might not benefit the existing education achievements. On the other hand, didactics can by analogy be applied also in the web environment, consequently creating the related assessment mechanisms of the electronic education elements.


Sign in / Sign up

Export Citation Format

Share Document