3 papers
cs.AI2026
LongEarth-R1: Benchmarking and Aligning Vision-Language Models for Long-Horizon Earth Observation Reasoning
Yupan Ding, Jing Xiao, Zhenyuan Zhang +4
Long-horizon Earth observation reasoning requires models to organize multi-stage geographic evolution, localize spatial changes, detect temporal anomalies, and infer future from ex…
math.CO2026
Lattice walks, pattern statistics, and Riordan arrays
Milan Tenn
We introduce a new class of Riordan matrices corresponding to lattice walks with colored steps. We show that this class corresponds to a class of pseudo-involutions and then find b…
math.CO2025
The autotopism group of a family of commutative semifields
Lukas Kölsch, Alexandra Levinshteyn, Milan Tenn
We completely determine the autotopism group of the (as of now) largest family of commutative semifields found by GöloÄlu and Kölsch. Since this family of semifields generally d…