Spherical designs from norm-3 shell of integral lattices

Spherical Tiling by 12 Congruent Pentagons

Spiders for rank 2 Lie algebras

Spiral Chains: A New Proof of the Four Color Theorem

Spiral Chains: The Proofs of Tait's and Tutte's Three-Edge-Coloring Conjectures

Splicing Matroids

Split hypergraphs

Splitting finite antichains in the homomorphism order

Splitting multidimensional necklaces

Splitting Polytopes

Splitting the K-Terminal Reliability

Splittings of independence complexes and the powers of cycles

Sports scheduling for not all pairs of teams

Spot-Based Generations for Meta-Fibonacci Sequences

Spotlight Tiling

Sprouts game on compact surfaces

SQS-graphs of extended 1-perfect codes

SQS-graphs of Solov'eva-Phelps codes

Square-Difference-Free Sets of Size Omega(n^{0.7334...})

Square-free Walks on Labelled Graphs