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math.CO2026
Fourier Ratios of Graph Kernels: Energy Bounds, Optimal Labelings, and Recovery
Vishal Gupta, Alex Iosevich
We study labeling-sensitive Fourier complexity for finite graph kernels. After identifying the vertices of a graph with the cyclic group , its adjacency matrix becomes…
math.CO2026
Large values in time series and additive combinatorics
Alex Iosevich, Vishal Gupta
It is well-known in industrial data science that large values of real-life time series tend to be structured and often follow concrete and visible patterns. In this paper, we use i…