Invited Papers -- Genome Halving Problem Revisited -- Verifying Probabilistic Procedural Programs -- Streaming Algorithms for Geometric Problems -- Toward a Grainless Semantics for Shared-Variable Concurrency -- Regular Languages, Unambiguous Concatenation and Computational Complexity -- Contributed Papers -- Decidability of Zenoness, Syntactic Boundedness and Token-Liveness for Dense-Timed Pet…