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Mathematics Preprint PDF DOI

Fixed points of orientation-preserving full transformation

Yang An, Wen Ting Zhang, Yi He · 2026

Let $\mathcal{OP}_n$ be the monoid of all orientation-preserving full transformations on $X_n=\{1,\dots, n\}$ with the natural order. For $\alpha \in \mathcal{OP}_n$, let $F(\alpha)=\{y\in X_n: y\alph…

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Engineering Preprint PDF DOI

Learning Human-Intention Priors from Large-Scale Human Demonstrations for Robotic Manipulation

Yifan Xie, YuAn Wang, Guangyu Chen, Jinkun Liu, Yu Sun, Wenbo Ding · 2026

Human videos contain rich manipulation priors, but using them for robot learning remains difficult because raw observations entangle scene understanding, human motion, and embodiment-specific action. …

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Mathematics Preprint PDF DOI

Positive and negative 3-energies of graphs

Zhengbo Chen, Zhouningxin Wang, Xiao-Dong Zhang · 2026

For a simple graph $G$ with $n$ vertices, let $A_G$ denote the adjacency matrix of $G$, and let $\lambda_1(G) \geq \lambda_2(G) \geq \dots \geq \lambda_n(G)$ be its eigenvalues. For an integer $p \geq…

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Physics Preprint PDF DOI

Gravitational Sommerfeld Effects: Formalism, Renormalization, and Perturbation to $O(G^{10})$

Chih-Hao Chang, Chia-Hsien Shen, Zihan Zhou · 2026

In the effective field theory (EFT) description of binary inspirals, the radiated gravitational waveform receives universal corrections from the curved background, the ``tail effects'', that resum int…

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Physics Preprint PDF DOI

Microscopic investigation of $E2$ matrix elements in atomic nuclei -- II

Kouser Qureshie, S. P. Rouoof, J. A. Sheikh, N. Rather, S. Jehangir, G. H. Bhat, S. Frauendorf · 2026

The present work is a continuation of our earlier investigation with the primary objective to systematically calculate the $E2$ matrix elements using the microscopic approach of the triaxial projected…

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Mathematics Preprint PDF DOI

Moduli of toric principal bundles

Shaoyu Huang, Kiumars Kaveh · 2026

Let $G$ be a reductive algebraic group. A toric principal $G$-bundle is a principal $G$-bundle over a toric variety together with a torus action commuting with the $G$-action. Extending the Klyachko c…

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AI & Data Science Preprint PDF DOI

HandDreamer: Zero-Shot Text to 3D Hand Model Generation using Corrective Hand Shape Guidance

Green Rosh, Prateek Kukreja, Vishakha SR, Pawan Prasad B H · 2026

The emergence of virtual reality has necessitated the generation of detailed and customizable 3D hand models for interaction in the virtual world. However, the current methods for 3D hand model genera…

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Computer Science Preprint PDF DOI

An Unconditional Barrier for Proving Multilinear Algebraic Branching Program Lower Bounds

Deepanshu Kush · 2026

Since the breakthrough superpolynomial multilinear formula lower bounds of Raz (Theory of Computing 2006), proving such lower bounds against multilinear algebraic branching programs (mABPs) has been a…

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Physics Preprint PDF DOI

A Covariant Phase Space Approach to Einstein-AEther Gravity

Walter Arata, Stefano Liberati, Giulio Neri · 2026

Black hole thermodynamics in Lorentz-violating gravity is subtle because different excitations propagate at different speeds and hence identify different causal horizons. We revisit Einstein--AEther g…

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Computer Science Preprint PDF DOI

Near-Optimal Bounds for Parameterized Euclidean k-means

Vincent Cohen-Addad, Karthik C. S., David Saulpic, Chris Schwiegelshohn · 2026

The $k$-means problem is a classic objective for modeling clustering in a metric space. Given a set of points in a metric space, the goal is to find $k$ representative points so as to minimize the sum…

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Mathematics Preprint PDF DOI

The Schwartz space for the $ (k, a) $-generalized Fourier transform and the minimal representation of the conformal group

Tatsuro Hikawa · 2026

This paper studies an analog of the classical Schwartz space $ \mathscr{S}(\mathbb{R}^N) $ in the framework of $ (k, a) $-deformed harmonic analysis associated with the $ (k, a) $-generalized Fourier …

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AI & Data Science Preprint PDF DOI

Teacher-Student Diffusion Model for Text-Driven 3D Hand Motion Generation

Ching-Lam Cheng, Bin Zhu, Shengfeng He · 2026

Generating realistic 3D hand motion from natural language is vital for VR, robotics, and human-computer interaction. Existing methods either focus on full-body motion, overlooking detailed hand gestur…

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Engineering Preprint PDF DOI

Photogrammetry-Reconstructed 3D Head Meshes for Accessible Individual Head-Related Transfer Functions

Ludovic Pirard, Lorenzo Picinali, Katarina C. Poole · 2026

Individual head-related transfer functions (HRTFs) are essential for accurate spatial audio binaural rendering but remain difficult to obtain due to measurement complexity. This study investigates whe…

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AI & Data Science Preprint PDF DOI

PAM: A Pose-Appearance-Motion Engine for Sim-to-Real HOI Video Generation

Mingju Gao, Kaisen Yang, Huan-ang Gao, Bohan Li, Ao Ding, Wenyi Li, Yangcheng Yu, Jinkun Liu, Shaocong Xu, Yike Niu, Haohan Chi, Hao Chen, Hao Tang, Yu Zhang, Li Yi, Hao Zhao · 2026

Hand-object interaction (HOI) reconstruction and synthesis are becoming central to embodied AI and AR/VR. Yet, despite rapid progress, existing HOI generation research remains fragmented across three …

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Mathematics Preprint PDF DOI

The second moment of derivatives of quadratic twists of modular $L$-functions

Yujiao Jiang, Quanli Shen, Ziyang Tang · 2026

We prove an asymptotic formula for the second moment of the first derivative of quadratic twists of modular $L$-functions with three leading order main terms. It improves the previous result of Kumar …

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AI & Data Science Preprint PDF DOI

Gesture-Aware Pretraining and Token Fusion for 3D Hand Pose Estimation

Rui Hong, Jana Kosecka · 2026

Estimating 3D hand pose from monocular RGB images is fundamental for applications in AR/VR, human-computer interaction, and sign language understanding. In this work we focus on a scenario where a dis…

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Earth & Environmental Sciences Preprint PDF DOI

NEO Colors from The Mission Accessible Near-Earth Object Survey (MANOS)

Nicholas Moskovitz, Theodore Kareta, Samantha Hemmelgarn, Hannah Zigo, Maxime Devogele, Audrey Thirouin, Katie Breeland-Newcomb, Brian Burt, Annika Gustaffson, Mitchell Magnuson, Michael Mommert, David Polishook, Robert Schottland, Brian Skiff, Cristina Thomas, Mark Willman · 2026

We present spectro-photometric griz colors for 189 near-Earth objects (NEOs) collected by the Mission Accessible Near-Earth Object Survey (MANOS). Data acquisition involved non-simultaneous multi-band…

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Physics Preprint PDF DOI

Dynamical Tidal response of compact stars -- An EFT approach

Gregory Jarequi, Soumodeep Mitra, Varun Vaidya · 2026

We apply the point particle EFT approach to a compact star to systematically compute dynamical tidal love numbers for various non-rotating compact objects, extending the treatment of {arXiv:2307.10391…

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AI & Data Science Preprint PDF DOI

SignSparK: Efficient Multilingual Sign Language Production via Sparse Keyframe Learning

Jianhe Low, Alexandre Symeonidis-Herzig, Maksym Ivashechkin, Ozge Mercanoglu Sincan, Richard Bowden · 2026

Generating natural and linguistically accurate sign language avatars remains a formidable challenge. Current Sign Language Production (SLP) frameworks face a stark trade-off: direct text-to-pose model…

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Mathematics Preprint PDF DOI

On Ehrhart theory for tropical vector bundles

Suhyon Chong, Kiumars Kaveh · 2026

The notion of a tropical vector bundle on a toric variety was recently introduced by Khan-Maclagan and Kaveh-Manon. In this paper, we study the Euler characteristic and rank of global sections for tro…

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