cs.CV 2512.16776

Kling-Omni Technical Report

Kling-Omni is a unified multimodal video synthesis framework integrating instruction understanding, editing, and reasoning, achieving high fidelity and efficiency.

Kling Team, Jialu Chen, Yuanzheng Ci et al.

2025-12-19 45
math.ST 2512.16759

Rao-Blackwellized e-variables

Proves that conditioning e-variables on sufficient statistics monotonically increases expected utility, extending Rao-Blackwell theorem to e-statistics.

Dante de Roos, Ben Chugg, Peter Grünwald et al.

2025-12-19 41
cs.CL 2512.16649

JustRL: Scaling a 1.5B LLM with a Simple RL Recipe

This study introduces JustRL, a simple fixed-hyperparameter RL training method for 1.5B models, surpassing complex approaches with more stability and less compute.

Bingxiang He, Zekai Qu, Zeyuan Liu et al.

2025-12-18 35 citations 46
math.OC 2512.16565

Non-Asymptotic Global Convergence of PPO-Clip

The paper establishes non-asymptotic global convergence rates for PPO-Clip with f-divergence regularization, deriving linear convergence for forward KL and local convergence for reverse KL.

Yin Liu, Qiming Dai, Junyu Zhang et al.

2025-12-18 44
cs.SI 2512.16487

A Survey on Spatio-Temporal Knowledge Graph Models

This survey systematically reviews spatio-temporal knowledge graph models, analyzing their origins, modeling dimensions, and challenges.

Philipp Plamper, Hanna Köpcke, Anika Groß

2025-12-18 53
stat.ML 2512.16105

BayesSum: Bayesian Quadrature in Discrete Spaces

BayesSum uses Gaussian processes to efficiently estimate expectations in discrete spaces, reducing sample requirements by over 50%.

Sophia Seulkee Kang, François-Xavier Briol, Toni Karvonen et al.

2025-12-18 44