connectedThis browser does not support PDFs. Please download the PDF to view it: Download PDF.This browser does not support PDFs. Please download the PDF to view it: Download PDF.unknowncomplete upper bounds connected by a constant – by definitiontree upper bounds connected by a constant – by definitionpath upper bounds connected by a constant – by definitionstar upper bounds connected by a constant – by definitioncycle upper bounds connected by a constant – by definitionassumedgrid upper bounds connected by a constantgraph class connected is not included in graph class grid