On the Minimum Size of a Contraction-Universal Tree
On the Minimum Spanning Tree for Directed Graphs with Potential Weights
On the number of $k$-cycles in the assignment problem for random matrices
On the number of solutions of the discretizable molecular distance geometry problem
On the number of t-ary trees with a given path length
On the Obfuscation Complexity of Planar Graphs
On the perfect matching index of bridgeless cubic graphs
On the poset of computation rules for nonassociative calculus
On the Probability of the Existence of Fixed-Size Components in Random Geometric Graphs
On the Ramsey Numbers for Bipartite Multigraphs
On the Recognition of Fuzzy Circular Interval Graphs
On the relationship between classes P and NP
On the satisfiability of random regular signed SAT formulas
On the Signed (Total) $k$-Domination Number of a Graph
On The Signed Edge Domination Number of Graphs
On the size of identifying codes in triangle-free graphs
On the Structure of the Minimum Critical Independent Set of a Graph
On the Transience of Linear Max-Plus Dynamical Systems
On the vertices of the k-addiive core
On the Zagreb Indices Equality