tree

• Sasak2010
  • page 16 : graph class tree has unbounded pathwidth – Theorem 2.1
• unknown source
  • graph class tree has unbounded h-index – trivially
• assumed
  • graph class tree is included in graph class connected – by definition
  • graph class tree is included in graph class forest – by definition
  • graph class star is included in graph class tree
  • graph class tree is not included in graph class star
  • graph class path is included in graph class tree
  • graph class tree is not included in graph class path