Expertini Research Research

Browse Research Papers

21,710+ open-access research outputs.

โœ• Clear
๐Ÿ” firdevs ulus
Showing 21710 results for "firdevs ulus"
Mathematics Preprint PDF DOI

The hat and plus version of the Heegaard Floer contact invariant are not equivalent

Alberto Cavallo, Irena Matkovic ยท 2026

We advance Matkovi\v{c} ideas, originally applied to complete the classification of tight structures on small Seifert fibred $L$-spaces, to show the existence of contact structures on Brieskorn sphereโ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

PRTS: A Primitive Reasoning and Tasking System via Contrastive Representations

Yang Zhang, Jiangyuan Zhao, Chenyou Fan, Fangzheng Yan, Tian Li, Haitong Tang, Sen Fu, Xuan'er Wu, Qizhen Weng, Weinan Zhang, Xiu Li, Chi Zhang, Chenjia Bai, Xuelong Li ยท 2026

Vision-Language-Action (VLA) models advance robotic control via strong visual-linguistic priors. However, existing VLAs predominantly frame pretraining as supervised behavior cloning, overlooking the โ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

LLMs Capture Emotion Labels, Not Emotion Uncertainty: Distributional Analysis and Calibration of Human--LLM Judgment Gaps

Keito Inoshita, Xiaokang Zhou, Akira Kawai, Katsutoshi Yada ยท 2026

Human annotators frequently disagree on emotion labels, yet most evaluations of Large Language Model (LLM) emotion annotation collapse these judgments into a single gold standard, discarding the distrโ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

Toward Personalized Digital Twins for Cognitive Decline Assessment: A Multimodal, Uncertainty-Aware Framework

Bulent Soykan, Gulsah Hancerliogullari Koksalmis, Hsin-Hsiung Huang, Laura J. Brattain ยท 2026

Cognitive decline is highly heterogeneous across individuals, which complicates prognosis, trial design, and treatment planning. We present the Personalized Cognitive Decline Assessment Digital Twin (โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Orbital Data Centers: Spacecraft Constraints and Economic Viability

Slava G. Turyshev ยท 2026

Orbital data centers are being evaluated as solar-powered compute constellations and relay-integrated processing platforms. Their feasibility is not set by orbital solar flux alone, but by simultaneouโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Geodesically Complete Curvature-Bounce Inflation

Damien A. Easson ยท 2026

The early universe need not be described by an incomplete inflationary phase connected to a separate, more exotic prehistory. Recent results show that, within non-static FRW cosmology, only positive sโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Dwarf Galaxies Hosting Extreme Star-Forming Regions and (Variable) AGNs at Radio Wavelengths

John-Michael Eberhard, Amy E. Reines ยท 2026

We present a detailed study of radio-detected dwarf galaxies (with stellar masses less than 3 billion solar masses) to characterize extreme star formation and search for (variable) radio AGNs. Our samโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Beyond Cloud-9: The case for discovering more HI-rich failed halos

Jorge Moreno, Coral Wheeler, Francisco J. Mercado, M. Katy Rodriguez Wimberly, Pratik J. Gandhi, Jenna Samuel, Robert Feldmann, James S. Bullock, Andrew Wetzel, Michael Boylan-Kolchin ยท 2026

HI-rich starless halos, should they exist, hold great promise for elucidating properties of dark matter halos. This Letter examines the properties of HI-rich failed halos at redshift zero across stateโ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

Exploring the Potential of Probabilistic Transformer for Time Series Modeling: A Report on the ST-PT Framework

Zhangzhi Xiong, Haoyi Wu, You Wu, Shuqi Gu, Kan Ren, Kewei Tu ยท 2026

The Probabilistic Transformer (PT) establishes that the Transformer's self-attention plus its feed-forward block is mathematically equivalent to Mean-Field Variational Inference (MFVI) on a Conditionaโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Finite-Window Centered Organization of Neighboring Poles

Yuye Wu, Hong-Bo Jin ยท 2026

Near-degenerate resonance poles arise widely in open-wave systems, including gravitational-wave ringdowns, when two neighboring modes have almost the same complex frequency. On a finite observation wiโ€ฆ

Read Paper โ†’
Mathematics Preprint PDF DOI

A Leakage Bound for Confidence Sets after Black-Box Selection

Sayantan Banerjee ยท 2026

In many analyses the object reported at the end is not fixed in advance, but is chosen after a preliminary search over variables, subgroups, transformations, models or contrasts. Classical selective-iโ€ฆ

Read Paper โ†’
Computer Science Preprint PDF DOI

Will It Break in Production? Metric-Driven Prediction of Residual Defects in Python Systems

Giuseppe De Rosa, Pietro Liguori ยท 2026

Python's dynamic nature complicates testing and increases the possibility that some defects evade detection, so an effective fault prediction becomes essential. We examine whether post-release faults โ€ฆ

Read Paper โ†’
AI & Data Science Preprint PDF DOI

QYOLO: Lightweight Object Detection via Quantum Inspired Shared Channel Mixing

Garvit Kumar Mittal, Sahil Tomar, Sandeep Kumar ยท 2026

The rapid advancement of object detection architectures has positioned single stage detectors as the dominant solution for real-time visual perception. A primary source of computational overhead in thโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Similarity Choice and Negative Scaling in Supervised Contrastive Learning for Deepfake Audio Detection

Jaskirat Sudan, Hashim Ali, Surya Subramani, Hafiz Malik ยท 2026

Supervised contrastive learning (SupCon) is widely used to shape representations, but has seen limited targeted study for audio deepfake detection. Existing work typically combines contrastive terms wโ€ฆ

Read Paper โ†’
Computer Science Preprint PDF DOI

Decoding Delay Guarantees of Space Regulated Multiple Access Random Wireless Networks using Successive Interference Cancellation

Kevin Zagalo, Jean-Marie Gorce, Francois Baccelli ยท 2026

This paper is focused on decoding delay guarantees in wireless networks, where messages have a given signal-to-interference-plus-noise ratio threshold $\eta_0$ to meet in order to be successfully decoโ€ฆ

Read Paper โ†’
Computer Science Preprint PDF DOI

Tight Bounds for some W[1]-hard Problems Parameterized by Multi-clique-width

Benjamin Bergougnoux, Vera Chekan, Stefan Kratsch ยท 2026

In this work we contribute to the study of the fine-grained complexity of problems parameterized by multi-clique-width, which was initiated by F\"urer [ITCS 2017] and pursued further by Chekan and Kraโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Validity of DFT+U band gaps in all its known functional forms

Andrew C. Burgess, David D. O'Regan ยท 2026

The Density Functional Theory plus Hubbard $U$ (DFT+$U$) technique is one of the most widely used tools by condensed matter physicists and solid state chemists for the simulation of transition-metal aโ€ฆ

Read Paper โ†’
Computer Science Preprint PDF DOI

PSP: An Interpretable Per-Dimension Accent Benchmark for Indic Text-to-Speech

Venkata Pushpak Teja Menta ยท 2026

Standard text-to-speech (TTS) evaluation measures intelligibility (WER, CER) and overall naturalness (MOS, UTMOS) but does not quantify accent. A synthesiser may score well on all four yet sound non-nโ€ฆ

Read Paper โ†’
Computer Science Preprint PDF DOI

Praxy Voice: Voice-Prompt Recovery + BUPS for Commercial-Class Indic TTS from a Frozen Non-Indic Base at Zero Commercial-Training-Data Cost

Venkata Pushpak Teja Menta ยท 2026

Commercial TTS systems produce near-native Indic audio, but the best open-source bases (Chatterbox, Indic Parler-TTS, IndicF5) trail them on measured phonological dimensions, and the most widely adoptโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Integrand Analysis, Leading Singularities and Canonical Bases beyond Polylogarithms

Felix Forner, Cesare Carlo Mella, Christoph Nega, Lorenzo Tancredi, Fabian J. Wagner ยท 2026

In this paper, we elaborate on the connection between leading singularities and canonical bases of Feynman integrals beyond polylogarithms. We start by discussing a notion of leading singularities in โ€ฆ

Read Paper โ†’
Page 1 of 1086 Next โ†’