On the restricted matching of graphs in surfaces

On the robustness of random k-cores

On the Roman bondage number of a graph

On the Roots of Independence Polynomials of Almost All Very Well-Covered Graphs

On the roots of the cubic defining the Tribonacci sequences

On the rotation distance between binary trees

On the sandpile group of regular trees

On the Sandpile group of the cone of a graph

On the Set of Circular Total Chromatic Numbers of Graphs

On the shape of a pure O-sequence

On the shape of Bruhat intervals

On the SIG dimension of trees under $L_{\infty}$ metric

On the sign-imbalance of partition shapes

On the sign-imbalance of skew partition shapes

On the singularity of random combinatorial matrices

On the singularity probability of discrete random matrices

On the singularity probability of random Bernoulli matrices

On the size of $k$-fold sum and product sets of integers

On the size of dissociated bases

On the Size of Equifacetted Semi-Regular Polytopes