Topics in Discrete Mathematics

- Algebra, Geometry, Numbers

- Countable Almost Rigid Heyting Algebras

- Piecewise-Bohr Sets of Integers and Combinatorial Number Theory

- A Generalization of Conway Number Games to Multiple Players

- Two Isoperimetric Problems for Euclidean Simplices

- On Finitely Generated Varieties of Distributive Double p-algebras and their Subquasivarieties

- The F-triangle of the Generalised Cluster Complex

- Ramsey Theory

- Monochromatic Equilateral Right Triangles on the Integer Grid

- One-sided Coverings of Colored Complete Bipartite Graphs

- Nonconstant Monochromatic Solutions to Systems of Linear Equations

- On the Induced Ramsey Number IR(P 3, H)

- On Explicit Ramsey Graphs and Estimates of the Number of Sums and Products

- Graphs and Hypergraphs

- Hereditary Properties of Ordered Graphs

- A Proof and Generalizations of the Erd?s-Ko-Rado Theorem Using the Method of Linearly Independent Polynomials

- Unions of Perfect Matchings in Cubic Graphs

- Random Graphs from Planar and Other Addable Classes

- Extremal Hypergraph Problems and the Regularity Method

- Homomorphisms

- Homomorphisms in Graph Property Testing

- Counting Graph Homomorphisms

- Efficient Algorithms for Parameterized H-colorings

- From Graph Colouring to Constraint Satisfaction: There and Back Again

- Graph Colorings

- Thresholds for Path Colorings of Planar Graphs

- Chromatic Numbers and Homomorphisms of Large Girth Hypergraphs

- Acyclic 4-Choosability of Planar Graphs Without Cycles of Specific Lengths

- On the Algorithmic Aspects of Hedetniemi's Conjecture

- Recent Developments in Circular Colouring of Graphs

- Graph Embeddings

- Regular Embeddings of Multigraphs

- Quadrangulations and 5-critical Graphs on the Projective Plane

- Crossing Number of Toroidal Graphs

- Regular Maps on a Given Surface: A Survey

- VII

- On Six Problems Posed by Jarik Neset'il