Winter Obstacles to Transportation

Billiards, scattering by rough obstacles and optimal mass transportation

This article presents a brief exposition of recent results of the author on billiard scattering by rough obstacles. We define the notion of a rough body and give a characterization of scattering by rough bodies. Then we define the resistance of a rough body; it can be interpreted as the aerodynamic resistance of the somersaulting body moving through a rarefied medium. We solve the problems of m...

Workforce Management Innovations in Transportation Agencies: Overcoming Obstacles to Public Sector Innovation

Adopting a case study approach, this review of the public sector innovation literature examines workforce management innovations developed and implemented by state-level, transportation agencies across the U.S. to improve their operations. These innovations targeted the following workforce challenges which agencies besides those dedicated to transportation service provision at national, regiona...

Obstacles To Literary Translation: Challenges and

Obstacles to continuing education.

An earlier study showed that low attendance at section 63 courses of continuing education was not explained by dissatisfaction with content or methods employed in these programmes. In this enquiry to the same sample of 105 general practitioners, several additional factors were studied related to enjoyment of professional role, practice skills and perceived obstacles to continuing education. Thi...

Institutional Obstacles to Entrepreneurship