3 papers
math.CO2026
Sets with Few Subset Sums
Ruben Carpenter, Colin Defant, Noah Kravitz
It is a classical fact that every -element set of positive reals has at least distinct subset sums, with equality exactly for homogeneous arithmetic progressi…
math.CO2026
On the number of permutation-twisted dot products
Ruben Carpenter, Colin Defant, Noah Kravitz
Let be a field of characteristic . For each choice of distinct and distinct , consider the sum $S=\…
math.CO2024
Bender--Knuth Billiards in Coxeter Groups
Grant Barkley, Colin Defant, Eliot Hodges +2
Let be a Coxeter system, and write , where is a finite index set. Fix a nonempty convex subset of . If is of type , then $\mat…