Hallucinations

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Period ending 2026-09-21

13 new papers

A weekly snapshot of new work published in Hallucinations.

Period ending 2026-09-14

10 new papers

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Period ending 2026-09-07

11 new papers

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438 papers

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  1. HoloAegis: Frozen Representation, Topological Inference --- Minimally Parametric Safety Manifolds and Their Capability Boundaries for LLM Guardrails

    Aug 9, 2026Tak Ho Alex Li, Kaijie Liu, Lik-Hang Lee +3Large Language Model SafetyLarge Language Model Hallucination

  2. A Grounded and Decomposed Framework for Relation-Level Hallucination Evaluation in Abstractive Summarization

    Aug 8, 2026Praveen Kumar Katwe, Rakesh Chandra Balabantaray, Kali Prasad Vittala +1SummarizationHallucination Rate

  3. Wiener Representation Filtering for VLM Hallucination Suppression

    Aug 8, 2026Ameen Ali, Tamim Zoabi, Lidor Brami +1Large Language Model HallucinationHallucinations

  4. Prompt Embedding Probes (PEP): Hallucination Detection in LLMs from Hidden States

    Aug 8, 2026Zakhar Mrykhin, Valentin MalykhLarge Language Model HallucinationHallucination Detection

  5. REIN: Bridging the Gap between Reasoning and Reliability via Reflection and Abstention Alignment

    Aug 8, 2026Zhengze Huang, Luyang Yu, Di Hong +5Large Reasoning ModelsLarge Language Model Hallucination

  6. GraphThink: Graph-Enhanced LLM Thinking for Long-Horizon Embodied Task Planning

    Aug 8, 2026Chen Li, Sijie Cheng, Yuelin Zhang +4Large Language Model PlanningLong-Horizon Planning

  7. Do LLM Recommenders Know When They're Hallucinating? Auditing Confidence Calibration in Catalog Faithfulness

    Aug 7, 2026Srijith RavikumarRecommendationHallucinations

  8. Same Attention, Different Truths: Put Logit-Lens over Visual Attention to Detect and Mitigate LVLM Object Hallucination

    Aug 7, 2026Zichuan Wang, Songlin Yang, Bo Peng +4Large Vision Language ModelsHallucinations

  9. Transformers Struggle to Use Their Emergent World Models: Revisiting the Tower of Hanoi, and the Illusion of Thinking

    Aug 7, 2026Devin Pereira, Willem ZuidemaLarge Language Model ReasoningPuzzle

  10. The Illusion of Visual Tool-Use: A Causal Audit of Thinking with Images

    Aug 6, 2026Zhiheng Wang, Bo Peng, Lai Wei +1Visual EvidenceIllusions

  11. Decomposed Entailment for Factuality Checking and Hallucination Detection

    Aug 6, 2026Achir Oukelmoun, Nasredine Semmar, Gaël De ChalendarHallucination DetectionMultilingual Fact-Checking

  12. TruthLens: Object Hallucination Detection via Self-Evaluating Truthfulness Scores in LVLMs

    Aug 6, 2026Yanqi Wu, Runhe Lai, Xinhua Lu +5Large Vision Language ModelsHallucination Detection

  13. DelusionEval: Measuring Delusion-Linked Behaviors in AI Chatbots

    Aug 5, 2026Jared Moore, Andrea Mock, Yifan Mai +9Large Language Model SafetyChatbots

  14. Eliciting Intrinsic Hallucinations in LLMs via Semantically Equivalent Adversarial Attacks

    Aug 4, 2026Atri Vivek Sharma, Brian Formento, Alessio LomuscioLarge Language Model HallucinationLanguage Model Evasion Attacks

  15. Hallucinations on the Board: Tool-Augmented Evaluation of LLM Chess Commentary

    Aug 4, 2026S. Ashwin Hebbar, Peiyao Sheng, Sewoong Oh +1ChessHallucinations

  16. HalluTruthQA-4K: A Fine-Grained Corpus and Annotation Process for Arabic Hallucination Detection and Truth Verification

    Aug 4, 2026Salah Eddine Bekhouche, Abdessalam Bouchekif, Hichem Telli +2Hallucination DetectionArabic

  17. UHP Detection: LVLMs have their Unique Hallucination Pattern in the Consistency Space

    Aug 4, 2026Amir Mohammad Ezzati, Kiyan Rezaee, Bardiya Kariminia +4Hallucination DetectionHallucination Rate

  18. KnowHal: A Knowledge-Driven Benchmark for Comprehensive Multimodal Hallucination Evaluation

    Aug 4, 2026Ruihan Li, Jiyang Tan, Kailin Jiang +5Large Language Model HallucinationHallucination Rate

  19. Detecting Hallucinations and Recovering Verified Answers in Arabic Islamic Question Answering

    Aug 4, 2026Khaled ZianiHallucination DetectionHallucinations

  20. Confident but Unreliable: A Behavioral Safety Audit of Vision-Language Models on Brain MRI

    Aug 3, 2026Amir Sabbaghziarani, Mohammadsajad Abavisani, Sergey PlisMedical Vision-Language ModelsMedical Imaging

  21. Detail Continuation over a Trustworthy Coarse Scale for Autoregressive Super-Resolution

    Aug 3, 2026Hongyi Fang, Jiahui Wu, Yichen Yue +2Generative Super-ResolutionAutoregressive Image Generation

  22. Can Humans Dream of Electric Sheep? Human-Written Samples for Fine-Grained Vision-and-Language Hallucination Benchmarking

    Aug 2, 2026Timothee Mickus, Claudio Savelli, Eduardo Calò +10Hallucination RateHallucinations

  23. Experience-Calibrated Contrastive Decoding for Mitigating Hallucinations in LM-Based Text-to-Speech

    Aug 1, 2026Chenlin Liu, Minghui Fang, Zhonghao Bi +3Zero-Shot Text-To-SpeechContrastive Decoding

  24. Tracing the Cascade: A Topology-Aware Evaluation Framework for Scientific Agent Hallucinations

    Aug 1, 2026Xinshun Feng, Ziqi Miao, Lijun Li +1Scientific DiscoveryLarge Language Model Reliability

  25. The Grokked Illusion: True Equilibrium Mitigates Catastrophic Forgetting

    Jul 31, 2026Xiaotian Zhang, Lai Shun Chan, Yue Shang +2Catastrophic ForgettingLoss Landscape

  26. Role-Break in Attention Heads: Understanding and Detecting Hallucinations in VLMs

    Jul 31, 2026Mingyu Wang, Weilin Jin, Wenbo Li +5HallucinationsIdentity

  27. When Model Priors Conflict with Visual Evidence: Mitigating Commonsense-Driven Hallucinations by Selective Prior Calibration

    Jul 31, 2026Kesheng Chen, Yamin Hu, Wenjian LuoHallucinationsPrior Knowledge

  28. Hallucinations Leave a Grounding Signature:Verifier-Guided Decoding for Selective Object Correction

    Jul 30, 2026Lei Yang, Xinze Liu, Dayan Wu +7Large Vision Language ModelsHallucinations

  29. Can LVLMs Uncover the Truth Behind Visual Illusions? An Analysis of Perceptual and Reasoning Capabilities

    Jul 30, 2026Liangjie Zhao, Jiaqing Lyu, Kexin Tang +5Large Vision Language ModelsIllusions

  30. Explainable and Resource-Efficient Spatial Reasoning in Multimodal LLMs for Decision-Critical Applications

    Jul 29, 2026Piyush Jain, Kousik Dasgupta, Rajarshi Roy +1Spatial ReasoningMultimodal Learning

  31. Towards Faithful Sentimental Image Captioning via Evidence-Aware Multi-Agent Reasoning

    Jul 28, 2026Tiecheng Cai, Zexian Yang, Chao Chen +2Remote Sensing Image Change CaptioningHallucination Rate

  32. Rethinking CD: A Reproducibility Study and Extension on the Ineffectiveness of Contrastive Decoding at Mitigating Object Hallucinations in MLLMs

    Jul 28, 2026Arnav Bendre, Guneesh Gupta, Kavish Grover +2Contrastive DecodingHallucination Mitigation

  33. PerceptionBench: Evaluating Atomic Visual Perception in Multimodal Large Language Models

    Jul 27, 2026Zichao Lin, Yifeng Xie, Bowen Qu +30Visual PerceptionPerceptual Understanding

  34. Evidence Attribution in Visual Document Understanding without Coordinates or Region Labels

    Jul 27, 2026Zhuchenyang Liu, Yao Zhang, Yu XiaoVisual Document RetrievalMultilingual Financial Question Answering

  35. D-Score: A Spectral Hidden-State Signal for Hallucination Detection in Large Language Models

    Jul 27, 2026Bianca Raimondi, Davide Evangelista, Maurizio Gabbrielli +1Hallucination DetectionHallucination Rate

  36. When Low CER is Not Enough: An Analysis of Hallucinations in Vision-Language OCR Systems on Historical Uruguayan Documents

    Jul 27, 2026Marina Gardella, Camilo Mariño, Diego Belzarena +3Optical Character RecognitionWord Error Rate

  37. The Illusion of Secure LLM Code: Closing the Security Gap via Iterative Reprompting

    Jul 26, 2026Ishpuneet Singh, Shreyas Mahajan, Gurjot Singh +1Large Language Model SafetySecurity

  38. Hallucination Rates in Language Generation

    Jul 25, 2026Debmalya Panigrahi, Fan Wei, Ian ZhangHallucination RateHallucinations

  39. Reasoning Denoiser: Denoising Reasoning Traces for Hallucination Detection in Large Reasoning Models

    Jul 24, 2026Junlin Fang, Do Nguyen-Thanh, Xiaogang Xu +2Hallucination DetectionReasoning Traces

  40. HalluScope: Fine-grained Hallucination Diagnosis for Multimodal Large Language Models

    Jul 23, 2026Weilin Jin, Mingyu Wang, Wenbo Li +5HallucinationsMulti-Modal Large Language Models

  41. Geo3R: Mitigating Spatial Reasoning Hallucination in Multimodal Large Language Models

    Jul 23, 2026Mingyu Wang, Weilin Jin, Wenbo Li +3Spatial ReasoningLarge Language Model Hallucination

  42. Unsupervised Metal Artifact Reduction in Dental CBCT using Fine-tuned Cycle-Consistent Adversarial Networks

    Jul 23, 2026G. L. T. Chamika, S. N. A. Dhanapala, P. H. S. V. Nimalaweera +2Cone-Beam Computed TomographyMetal Artifact Reduction

  43. Chemical Chain-of-Thought Functions as a Hallucination-Prone Molecular Scratchpad

    Jul 23, 2026Jiatong Li, Yuxuan Ren, Weida Wang +2Molecular Structure ElucidationHallucinations

  44. 3D-GIMP: When 3D Gaussian Inpainting Meets PatchMatch

    Jul 22, 2026Xuening Tian, Dieter Schmalstieg, Shohei Mori3D Reconstruction3D Editing

  45. HalluTruthQA: A Fine-Grained Benchmark for Hallucination Detection, Localization, and Explanation in Arabic Question Answering

    Jul 22, 2026Abdessalam Bouchekif, Mohammed-En-Nadhir Zighem, Salah Eddine Bekhouche +9Hallucination DetectionArabic

  46. Silent Failures in Multimodal Agentic Search:A Diagnostic Taxonomy and Cross-Judge Evaluation

    Jul 22, 2026Zhengxian Wu, Junjie Gao, Kai YangMultimodal Search AgentsCross-Modal Learning

  47. Prompt Design at Scale: How Format, Instruction Count, and Context Length Shape Instruction Adherence and Hallucination in Large Language Models

    Jul 21, 2026Netanel EliavInstruction-Tuned ModelsPrompt Engineering

  48. Reasoning Error from Known Fact: Step-Level Self-Consistency Group Relative Policy Optimization for LLM

    Jul 21, 2026Xiaomeng Hu, Jiaqi Hu, Hao Chen +4Large Language Model HallucinationLarge Language Model Reasoning

  49. Operational Hallucination and Safety Drift in AI Agents

    Jul 20, 2026Shasha Yu, Fiona Carroll, Barry L. BentleyArtificial Intelligence SafetyLarge Language Model Safety

  50. Zero Hallucination, by Construction: Hallucination-Aware Layered Oversight for Trustworthy Enterprise AI

    Jul 20, 2026Bogdan Raduta, Horia Velicu, Alexandru Preda +1Hallucination RateTrustworthy Artificial Intelligence

  51. SIRIN: A Unified Toolkit for Detecting Contextual Hallucinations in Retrieval-Augmented and Memory-Grounded LLM Systems

    Jul 20, 2026Julia Belikova, Rauf Parchiev, Mikhail Filimonov +3Hallucination DetectionHallucinations

  52. Look Clearly Before Answering: Mitigating Hallucinations in LVLMs via Saliency-Driven Perceptual Realignment

    Jul 18, 2026Pengxu Chen, Yao Zhu, Guangming Zhu +4Large Language Model HallucinationHallucination Mitigation

  53. Diversity-Oriented Fine-Tuning for Uncertainty-Based Hallucination Detection

    Jul 18, 2026Qiuyuan Li, Hongliang Dai, Piji LiHallucination DetectionHallucinations

  54. ASK-NN: An Asymmetric Nearest-Neighbor Test that detects Distribution Drifts in Natural Language

    Jul 17, 2026Sergey Zakharov, Rodion Oblovatny, Alexey ZaytsevLarge Language Model HallucinationTwo-Sample Testing

  55. AI Agents Do Not Fail Alone:The Context Fails First

    Jul 15, 2026Fouad BousetouaneAgentic EvaluationsArtificial Intelligence Agents

  56. Groc-PO: Grounded Context Preference Optimization for Truthful Multimodal LLMs

    Jul 15, 2026Zhixiao Zheng, Zheren Fu, Zhiyuan Yao +3Multi-Modal Large Language ModelsDirect Preference Optimization

  57. The Test Oracle Problem in Synthetic LLM-as-Judge Corpora: Disappearance, Distortion and a Validation Protocol

    Jul 15, 2026Serkan BallıLlm-As-A-JudgeText Corpora

  58. Protective Capacity Hallucination: When Large Language Models Claim Nonexistent Capabilities

    Jul 15, 2026Eunna Lee, Jungpyo Nam, Sunjun HwangLarge Language Model SafetyHallucinations

  59. The Illusion of Robustness: Aggregate Accuracy Hides Prediction Flips under Task-Irrelevant Context

    Jul 14, 2026Yanzhe Zhang, Sanmi Koyejo, Diyi YangIllusions

  60. Exact and Calibrated Diffusion Reconstruction for Digital Breast Tomosynthesis

    Jul 14, 2026Imade BouftiniLow-Dose Computed TomographyDiffusion Priors