In May 2011, Facebook had 721 million users, represented by a graph of 721 million nodes. A Facebook user at the time had an average of 190 friends; that is, all Facebook users, taken into account, had a total of 68.5 billion friendships (i.e., edges). What are the principal underlying processes that help initiate these friendships? More importantly, how can these seemingly independent friendsh...

This study aims to reveal the mediating effect of impulsive buying behaviour in relationship between fear COVID-19 and compulsive behaviour. In this direction, data collected from 721 participants by online survey method were analysed using various statistical methods. According findings, experienced individuals affects behaviours. addition, mediator was found impact on It is expected that rese...

1875-9521/$ see front matter Crown Copyright 2014 Published by Elsevier B.V. All rights reserved. http://dx.doi.org/10.1016/j.entcom.2013.06.002 q This paper has been recommended for acceptance by Junia Anacleto. ⇑ Corresponding author. Tel.: +1 905 721 8668x5356. E-mail addresses: [email protected] (L.E. Nacke), [email protected] (C. Bateman), [email protected] (R.L. Mandryk). 1 Tel.:...

From the Department of Oncology and International Outreach Program, St. Jude Children’s Research Hospital (S.C.H., C.-H.P.), and the Department of Pediatrics, University of Tennessee Health Sciences Center, College of Medicine (S.C.H., D.P.J., C.-H.P.) — both in Memphis. Address reprint requests to Dr. Howard at St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Barry-Longinotti Bld...

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705 2 Basic concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705 3 The Jordan Curve Theorem and the concept of a curve . . . . . . . . . . . . . . . . . 707 4 Local connectedness; plane continua.. . . . . ....