Brunel University London

About: Brunel University London is a education organization based out in London, United Kingdom. It is known for research contribution in the topics: Context (language use) & Large Hadron Collider. The organization has 10918 authors who have published 29515 publications receiving 893330 citations. The organization is also known as: Brunel & University of Brunel.

State-Saturated Recursive Filter Design for Stochastic Time-Varying Nonlinear Complex Networks Under Deception Attacks

Abstract: This article tackles the recursive filtering problem for a class of stochastic nonlinear time-varying complex networks (CNs) suffering from both the state saturations and the deception attacks. The nonlinear inner coupling and the state saturations are taken into account to characterize the nonlinear nature of CNs. From the defender’s perspective, the randomly occurring deception attack is governed by a set of Bernoulli binary distributed white sequence with a given probability. The objective of the addressed problem is to design a state-saturated recursive filter such that, in the simultaneous presence of the state saturations and the randomly occurring deception attacks, a certain upper bound is guaranteed on the filtering error covariance, and such an upper bound is then minimized at each time instant. By employing the induction method, an upper bound on the filtering error variance is first constructed in terms of the solutions to a set of matrix difference equations. Subsequently, the filter parameters are appropriately designed to minimize such an upper bound. Finally, a numerical simulation example is provided to demonstrate the feasibility and usefulness of the proposed filtering scheme.

The role of cultural values in understanding the challenges faced by female entrepreneurs in Nigeria

Abstract: Purpose – The purpose of this paper is to examine the challenges female entrepreneurs face in the development of their business in the context of Nigeria. In so doing, it addresses a gap in the literature on the experiences of female entrepreneurs in a non‐Western context and acknowledges the contribution that women make in this area of work.Design/methodology/approach – The paper draws on survey data from 274 female entrepreneurs currently engaged in their businesses in three states – Lagos (Nigeria's largest city), Ogun and Oyo within the South West of Nigeria.Findings – Results indicate that female entrepreneurs are generally confident and resourceful and that they enjoy the challenge of entrepreneurial activity. As in the West, they experience difficulties relating to family commitments and access to finance – as well as problems gaining acceptance and accessing networks.Originality/value – It is argued that cultural values specific to the situation mean that these challenges, while common to female e...

Perceptual-Cognitive Skills and Their Interaction as a Function of Task Constraints in Soccer

Abstract: The ability to anticipate and to make decisions is crucial to skilled performance in many sports. We examined the role of, and interaction between, the different perceptual-cognitive skills underlying anticipation and decision making. Skilled and less skilled players interacted as a defender with life-size film sequences of 11 versus 11 soccer situations. Participants were presented with task conditions in which the ball was located in the participant’s offensive or defensive half of the pitch (far vs. near conditions). Participants’ eye movements and verbal reports of thinking were recorded across two experiments. Skilled players reported more accurate anticipation and decision making than less skilled players, with their superior performance being underpinned by differences in task-specific search behaviors and thought processes. Findings illustrate how skills and processes underpinning superior anticipation and decision making are shaped by the underlying situational task constraints, which have significant implications for those interested in capturing and enhancing perceptual-cognitive skill in sport and other domains.