On the Connectedness of Clash-free Timetables

A Genetic Programming Approach to the Generation of Hyper-Heuristics for the Uncapacitated Examination Timetabling Problem

Research in the field of examination timetabling has developed in two directions. The first looks at applying various methodologies to induce examination timetables. The second takes an indirect approach to the problem and examines the generation of heuristics or combinations of heuristics, i.e. hyper-heuristics, to be used in the construction of examination timetables. The study presented in t...

Creating Bus Timetables Under Stochastic Demand

Local bus network is the most popular transit mode and the only available transit mode in the majority of cities of the world. Increasing the utility of this mode which increases its share from urban trips is an important goal for city planners. Timetable setting as the second component of bus network design problem (network route design timetable setting vehicle assignment crew assignment) hav...

Relationship of Hope and Life Satisfaction with Students Bullying and Bullying Victimization with the Mediating Role of School Connectedness: A Path Analysis Model

Background and Aim: The aim of the present study was to investigate the relationship of hope and life satisfaction with students bullying and bullying victimization with the mediating role of school connectedness.                                     Materials and Methods: This was a cross-sectional study, the statistical population being high school students of Tehran city in the school year 2...

Extension of the Douady-Hubbard's Theorem on Connectedness of the Mandelbrot Set to Symmetric Polynimials

A discrete-event optimization framework for mixed-speed train timetabling problem

Railway scheduling is a complex task of rail operators that involves the generation of a conflict-free train timetable. This paper presents a discrete-event simulation-based optimization approach for solving the train timetabling problem to minimize total weighted unplanned stop time in a hybrid single and double track railway networks. The designed simulation model is used as a platform for ge...