Knowledge involves belief. Belief is a propositional attitude, i.e. an attitude that a subject holds towards a proposition. If a subject S knows that P and the proposition P involves no further knowledge attribution, let us say that S possesses first-order knowledge. On the other hand, if S knows that P and the proposition P involves a knowledge attribution, let us say that S possesses higher-o...

this study aims to examine how open innovation can be effective in changing organizational inertia to create business model innovation and improve firm performance. it also seeks to explore whether the existence of open innovation has a mediating effect and influence. this study constructs a theoretical model to explore the relationship between latent variables and uses a questionnaire to colle...

The well known constant rank constraint qualification [Math. Program. Study 21:110–126, 1984] introduced by Janin for nonlinear programming has been recently extended to a conic context exploiting the eigenvector structure of problem. In this paper we propose more general and geometric approach defining new extension condition context. main advantage our is that are able recast strong second-or...

because of reducing the number of spectators of football premier league, this study is seeking for identifying factors put the most impact on this decline. the statistical population consisted of all spectators in iran football premier league in 2015-16, out of which 395 spectators were randomly selected as the research samples. the data were collected via a researcher-made questionnaire. the f...