Birds, the warm-blooded and feathered vertebrates, are being used to put romantic partners to the test. A relationship experiment dubbed the "bird theory" is making the rounds on social media. It ...
In Emily Adrian’s “Seduction Theory,” two married creative writing professors have parallel affairs, with very different outcomes. By Hannah Pittard Hannah Pittard is the author, most recently, of the ...
In recent months, the U.S. government has taken steps to defund and dismantle key infectious disease programs, including a National Institutes of Health lab that has contributed to groundbreaking work ...
Bondy, J.A. and Murty, U.S.R. (1976) Graph Theory with Applications. Macmillan, London and Elsevier.
ABSTRACT: For a simple undirected graph G, let A( G ) be the (0, 1) adjacency matrix of G. The Seidel matrix of G, is defined as S( G )=J−I−2A( G ) , where J is the all-one matrix and I is the ...
According to mathematical legend, Peter Sarnak and Noga Alon made a bet about optimal graphs in the late 1980s. They’ve now both been proved wrong. It started with a bet. In the late 1980s, at a ...
Physicists have proposed a new model of space-time that may provide the 'first observational evidence supporting string theory,' a new preprint suggests. When you purchase through links on our site, ...
Abstract: The huge development of social networks opens the need for their analysis. The visualization of social networks is an important and powerful tool for such kind of analysis. There are many ...
Introduction: The electronic health record (EHR) has greatly expanded healthcare communication between patients and health workers. However, the volume and complexity of EHR messages have increased ...
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