Not All Saturated 3-Forests Are Tight

Not all simplicial polytopes are weakly vertex-decomposable

Note for Nikiforov's two conjectures on the energy of trees

Note on a Conjecture of Graham

Note on a Conjecture of Wegner

Note on a relation between Randic index and algebraic connectivity

Note on antichain cutsets in discrete semimodular lattices

Note on bipartite graph tilings

Note on Doron Zeilberger's paper: ${5 \choose 2}$ proofs that ${n \choose k} \leq {n \choose {k+1}}$ if $k < n/2$

Note on generating all subsets of a finite set with disjoint unions

Note on group distance magic graphs $G[C_4]$

Note on half-cube embeddings

Note on minimally $k$-rainbow connected graphs

Note on parity factors of regular graphs

Note on PI and Szeged indices

Note on powers in three interval exchange transformations

Note on rainbow connection number of dense graphs

Note on the 4- and 5-leaf powers

Note on the energy of regular graphs

Note on the harmonic index of a graph