Abstract: Scheduling academic activity, staff, and spaces within schools is a complex yet vital exercise that requires attention to an enormous number of rigidity and flexibility constraints during ...

Abstract: This study investigates the structural characterization of the Middle Roman Domination Number for any caterpillar graph; a significant subclass of trees derived from a central spine by ...

TUCSON, Ariz. — Like a scene out of a horror movie, Michelle Lespron returned to her Tucson, Arizona, home to find a snake had set up camp in her toilet.