Author

Ruobing Xie

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#artificial intelligence Preprint Aug 2026

Higher-Dimensional Rotary Position Embedding

HDR-RoPE is proposed, which extends RoPE from independent 2D rotations to higher-dimensional rotations and introduces a Paley-I orthogonal basis to obtain balanced, isotropic, and dense phase mixing within each rotation subspace and significantly enhances channel coupling and rotational degrees of freedom while maintaining orthogonal stability and the relative position closure property.

Yixing Li, Ruobing Xie, Yu-Dong Zhang et al. · 0 citations

Jul 2026

AngelSpec: Towards Real-World High Performance Inference with Speculative Decoding

DFly is proposed, a block-diffusion framework combining a hybrid target-conditioning backbone with a predecessor-conditioned autoregressive head, improving target-feature utilization and intra-block dependency modeling while keeping generation parallel, and DFly treats verification as a shared batch-level resource.

Hong Liu, Rui Cen, Jun-Han Shi et al. · arXiv.org · 2 citations