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math.CO2026
Root-of-unity weighted trigonometric power sums: a constant term approach
Jiahang Liu, Guoce Xin
We present a unified method for evaluating finite sums of powers of cotangent, tangent, cosecant and secant weighted by primitive th roots of unity. The approach relies on const…
cs.CV2026
MesonGS++: Post-training Compression of 3D Gaussian Splatting with Hyperparameter Searching
Shuzhao Xie, Junchen Ge, Weixiang Zhang +10
3D Gaussian Splatting (3DGS) achieves high-quality novel view synthesis with real-time rendering, but its storage cost remains prohibitive for practical deployment. Existing post-t…
math.CO2026
Proof of a Conjecture on Young Tableaux with Walls
Zhicong Lin, Feihu Liu, Jiahang Liu +2
Banderier, Marchal, and Wallner considered Young tableaux with walls, which are similar to standard Young tableaux, except that local decreases are allowed at some walls. In this w…