| Content of Issue 11 DOI: 10.3217/jucs-013-11
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| Combinatorics and Related Areas A Collection of Papers in Honour of the 65th Birthday of
 Ioan Tomescu
 | C.S. Calude, G. Stefanescu, M. Zimand | 1498 | 
| Spectral Densest Subgraph           and Independence Number of a Graph | R. Andersen, S.M. Cioabă | 1501 | 
| Perfect Matchings in Polyhexes,           or Recent Graph-theoretical Contributions to Benzenoids | A.T. Balaban, M. Randić | 1514 | 
| Equivalent           Transformations of Automata by Using Behavioural Automata | G. Ciobanu, S. Rudeanu | 1540 | 
| On the Forcing Semantics for Monoidal t-norm Based Logic | D. Diaconescu, G. Georgescu | 1550 | 
| The Gray Code | R.W. Doran | 1573 | 
| Accepting Networks of Evolutionary Processors with Filtered Connections | C. Drăgoi, F. Manea, V. Mitrana | 1598 | 
| Analysis of two Sweep-line Algorithms for Constructing Spanning Trees and Steiner Trees | A. Dumitrescu, C.D. Tóth | 1615 | 
| On BCK Algebras - Part I.a: An Attempt to Treat Unitarily the Algebras of Logic. New Algebras | A. Iorgulescu | 1628 | 
| Satisfying Assignments of Random Boolean Constraint Satisfaction Problems: Clusters and Overlaps
 | G. Istrate | 1655 | 
| Graded Sparse Graphs and Matroids | A. Lee, I. Streinu, L. Theran | 1671 | 
| Rates of Asymptotic Regularity for Halpern Iterations of Nonexpansive Mappings | L. Leustean | 1680 | 
| Matrices and α-Stable Bipartite Graphs | V.E. Levit, E. Mandrescu | 1692 | 
| Spiking Neural P Systems with Astrocyte-Like Control | G. Păun | 1707 | 
| High-level Structured Interactive Programs with Registers and Voices | A. Popa, A. Sofronia, G. Stefanescu | 1722 | 
| Balance in Systems of Finite Sets with Applications | D.-R. Popescu | 1755 | 
| Metric-Entropy Pairs on Lattices | D. Simovici | 1767 | 
| Connectivity and Reachability in Signed Networks | M. Tătărâm | 1779 | 
| Hamiltonicity of Topological Grid Graphs | C. Zamfirescu, T. Zamfirescu | 1791 |