نتایج جستجو برای: big bang

تعداد نتایج: 72063  

Journal: :Advances in Engineering Software 2006
Osman Kaan Erol Ibrahim Eksin

Nature is the principal source for proposing new optimization methods such as genetic algorithms (GA) and simulated annealing (SA) methods. All traditional evolutionary algorithms are heuristic population-based search procedures that incorporate random variation and selection. The main contribution of this study is that it proposes a novel optimization method that relies on one of the theories ...

2008
Ben Craps

We study Big Crunch/Big Bang cosmologies that correspond to exact worldsheet superconformal field theories of type II strings. The string theory spacetime contains a Big Crunch and a Big Bang cosmology, as well as additional “whisker” asymptotic and intermediate regions. Within the context of free string theory, we compute, unambiguously, the scalar fluctuation spectrum in all regions of spacet...

Journal: :IJSSMET 2013
Michael Prilop Liina Tonisson Lutz Maicher

Since Porter’s work on competitive strategies in the 1980s, the concept of competitive intelligence has become part of the management mainstream. Currently, two big shifts are challenging the state of the art. On the one hand there is the rise of the ubiquitous servicification in all industries which makes the existing methods for productoriented industries outdated. On the other hand there is ...

2014
Philipp Max Hartmann Mohamed Zaki Niels Feldmann Andy Neely

This paper reports a study which provides a series of implications that may be particularly helpful to companies already leveraging ‘big data’ for their businesses or planning to do so. The Data Driven Business Model (DDBM) framework represents a basis for the analysis and clustering of business models. For practitioners the dimensions and various features may provide guidance on possibilities ...

Journal: :Symmetry 2016
Yeuk-Kwan Edna Cheung Changhong Li Joannis D. Vergados

We review the recent status of big bounce genesis as a new possibility of using dark matter particles’ mass and interaction cross-section to test the existence of a bounce universe at the early stage of evolution in our currently-observed universe. To study the dark matter production and evolution inside the bounce universe, called big bounce genesis for short, we propose a model independent ap...

Journal: :فلسفه و کلام 0

cosmo-theological argument is one of the theological arguments for [proving] the existence of god, which has been mooted since long ago and has recently been recognized in the theo-philosophical tradition of the west and become famous as theological argument. while examining the viewpoints related to the appearance of the world, particularly the big bang theory, this article undertakes to analy...

2013
Erich Alfred Gombocz

Innovation in healthcare delivery and Pharma requires rethinking old problems, retooling with new methodologies and revisiting the process models that are foundations of our existing knowledge discovery and clinical practice. The continuing proliferation of ubiquitous sensor data, mobile devices and the advent of 3D printing of drugs, together with a social mind shift in data ownership are clea...

1998
M. Borunda

Departamento de F́ısica Teórica Instituto de F́ısica Universidad Nacional Autónoma de México Apartado Postal 20-364 01000 México, D.F Abstract : The beautiful scenario of pre-big-bang cosmology is appealling not only because it is more or less derived from string theory, but also because it separates clearly the problem of the initial conditions for the universe from that of high curvatures. Rece...

2006
Ari Brynjolfsson Lori M. Lubin

In 2001 Lori M. Lubin and Allan Sandage, using big-bang cosmology for interpreting the data, found the surface brightness of galaxies to be inversely proportional to about the third power of (1+z), while the contemporary big-bang cosmology predicts that the surface brightness is inversely proportional to the fourth power of (1+z). In contrast, these surface brightness observations are in agreem...

2016
Nan Tang Qing Chen Prasenjit Mitra

A graph stream, which refers to the graph with edges being updated sequentially in a form of a stream, has important applications in cyber security and social networks. Due to the sheer volume and highly dynamic nature of graph streams, the practical way of handling them is by summarization. Given a graph stream G, directed or undirected, the problem of graph stream summarization is to summariz...

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