Hyperbolic Neural Networks
Not on the map. Why?
Abstract (arXiv)
Hyperbolic spaces have recently gained momentum in the context of machine learning due to their high capacity and tree-likeliness properties. However, the representational power of hyperbolic geometry is not yet on par with Euclidean geometry, mostly because of the absence of corresponding hyperbolic neural network layers. This makes it hard to use hyperbolic embeddings in downstream tasks. Here, we bridge this gap in a principled manner by combining the formalism of M"obius gyrovector spaces with the Riemannian geometry of the Poincar'e model of hyperbolic spaces. As a result, we derive hyperbolic versions of important deep learning tools: multinomial logistic regression, feed-forward and recurrent neural networks such as gated recurrent units. This allows to embed sequential data and perform classification in the hyperbolic space. Empirically, we show that, even if hyperbolic optimization tools are limited, hyperbolic sentence embeddings either outperform or are on par with their Euclidean variants on textual entailment and noisy-prefix recognition tasks.
Key facts. Cited by 393 papers in the map (data through 7 Oct 2026). First posted on arXiv 23 May 2018.
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Citing papers per year: 2021: 53; 2022: 52; 2023: 55; 2024: 65; 2025: 73; 2026: 95.
393 papers.
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- 2021Hyperbolic Deep Neural Networks: A Surveycited by 138
- 2022Hyperbolic Vision Transformers: Combining Improvements in Metric Learningcited by 109
- 2021Fully Hyperbolic Neural Networkscited by 107
- 2022Hyperbolic Image Segmentationcited by 101
- 2023Hyperbolic Deep Learning in Computer Vision: A Surveycited by 72
- 2024Compositional Entailment Learning for Hyperbolic Vision-Language Modelscited by 72
- 2023E^2VPT: An Effective and Efficient Approach for Visual Prompt Tuningcited by 70
- 2021Discrete-time Temporal Network Embedding via Implicit Hierarchical Learning in Hyperbolic Spacecited by 67
- 2021Lorentzian Graph Convolutional Networkscited by 66
- 2022Hyperbolic Contrastive Learning for Visual Representations beyond Objectscited by 58
- 2021Clipped Hyperbolic Classifiers Are Super-Hyperbolic Classifierscited by 56
- 2021A Hyperbolic-to-Hyperbolic Graph Convolutional Networkcited by 53
38 more
- 2021Probing BERT in Hyperbolic Spacescited by 50
- 2021Hyperbolic Variational Graph Neural Network for Modeling Dynamic Graphscited by 49
- 2021Learning the Predictability of the Futurecited by 48
- 2022DEVIANT: Depth EquiVarIAnt NeTwork for Monocular 3D Object Detectioncited by 48
- 2023Fully Hyperbolic Convolutional Neural Networks for Computer Visioncited by 48
- 2021HoroPCA: Hyperbolic Dimensionality Reduction via Horospherical Projectionscited by 47
- 2022The Numerical Stability of Hyperbolic Representation Learningcited by 46
- 2021von Mises-Fisher Loss: An Exploration of Embedding Geometries for Supervised Learningcited by 42
- 2023HYperbolic Self-Paced Learning for Self-Supervised Skeleton-based Action Representationscited by 42
- 2021Universal Approximation Theorems for Differentiable Geometric Deep Learningcited by 41
- 2021Hyperbolic Busemann Learning with Ideal Prototypescited by 40
- 2022Hyperbolic Graph Neural Networks: A Review of Methods and Applicationscited by 40
- 2021Unsupervised Discovery of the Long-Tail in Instance Segmentation Using Hierarchical Self-Supervisioncited by 39
- 2022Mask and Reason: Pre-Training Knowledge Graph Transformers for Complex Logical Queriescited by 39
- 2024Hypformer: Exploring Efficient Transformer Fully in Hyperbolic Spacecited by 39
- 2021Modeling Heterogeneous Hierarchies with Relation-specific Hyperbolic Conescited by 38
- 2024LLMs are Good Action Recognizerscited by 36
- 2022HRCF: Enhancing Collaborative Filtering via Hyperbolic Geometric Regularizationcited by 34
- 2025RiemannGFM: Learning a Graph Foundation Model from Riemannian Geometrycited by 32
- 2021Pseudo-Riemannian Graph Convolutional Networkscited by 30
- 2022Proton: Probing Schema Linking Information from Pre-trained Language Models for Text-to-SQL Parsingcited by 30
- 2022A Survey of Mix-based Data Augmentation: Taxonomy, Methods, Applications, and Explainabilitycited by 30
- 2021CO-SNE: Dimensionality Reduction and Visualization for Hyperbolic Datacited by 28
- 2024Language Models as Hierarchy Encoderscited by 26
- 2022Hyperbolic Deep Reinforcement Learningcited by 25
- 2021Where are we in embedding spaces? A Comprehensive Analysis on Network Embedding Approaches for Recommender Systemscited by 24
- 2021ACE-HGNN: Adaptive Curvature Exploration Hyperbolic Graph Neural Networkcited by 24
- 2022A Self-supervised Riemannian GNN with Time Varying Curvature for Temporal Graph Learningcited by 24
- 2023Poincar'e ResNetcited by 24
- 2023HypLiLoc: Towards Effective LiDAR Pose Regression with Hyperbolic Fusioncited by 24
- 2024Hyperbolic Fine-Tuning for Large Language Modelscited by 24
- 2023Hyperbolic Geometric Graph Representation Learning for Hierarchy-imbalance Node Classificationcited by 23
- 2024Motif-aware Riemannian Graph Neural Network with Generative-Contrastive Learningcited by 23
- 2021Vector-valued Distance and Gyrocalculus on the Space of Symmetric Positive Definite Matricescited by 22
- 2022The Euclidean Space is Evil: Hyperbolic Attribute Editing for Few-shot Image Generationcited by 22
- 2025HELM: Hyperbolic Large Language Models via Mixture-of-Curvature Expertscited by 22
- 2021BScNets: Block Simplicial Complex Neural Networkscited by 21
- 2023Hyperbolic Representation Learning: Revisiting and Advancingcited by 21
50 most cited of 393 All 393 (JSON)
- 2026Curvature Under Attack in hZACH-ViT: Gauge Symmetry, Boundary Saturation, and Adversarial Failure30 Sep 2026
- 2026Minkowski Attractor Networks: Closed-Form Hyperbolic Flows for Visual Representations29 Sep 2026
- 2026Explaining Hyperbolic Neural Networks via Geometry-Aware Relevance Propagation28 Sep 2026
- 2026Rethinking the Fully Hyperbolic Vision Transformer in Polar Coordinates26 Sep 2026
- 2026Hyperbolic Multimodal Continual Learning: A Closest-Admissible Solution24 Sep 2026
- 2026hyperbolix: Hyperbolic Deep Learning in JAX23 Sep 2026
- 2026Geometry-Aware Hyperbolic Residual-Quantized Variational Autoencoders22 Sep 2026
- 2026Hyperbolic Restricted Boltzmann Machine Neural Quantum State22 Sep 2026
- 2026What Drives Hierarchy-Aware Image Retrieval? Taxonomy Alignment, Objective Choice, and Geometry22 Sep 2026
- 2026Exactness at Inference: A Representational Criterion for Out-of-Distribution Generalization21 Sep 2026
- 2026Hierarchical Prompt Learning for Hyperbolic Vision-Language Models21 Sep 2026
- 2026Hypergraph-Regularized Gramian Volumes for Multimodal Retrieval14 Sep 2026
38 more
- 2026RiLM: Parameter-Efficient Language Modeling via Geodesic Decoding9 Sep 2026
- 2026Hyperbolic Geometry for Open-World Object Detection in Remote Sensing Imagery9 Sep 2026
- 2026Geometric organization of olfactory descriptor data in the Poincar'e disk9 Sep 2026
- 2026A Hyperbolicity Atlas of Large Language Model Hidden States7 Sep 2026
- 2026Nested Inductive Bias Framework for SPD Manifold Learning3 Sep 2026
- 2026Hyperbolic Latent Geometry for Tree-Structured Prototype Networks: A Local-vs-Global Trade-off25 Aug 2026
- 2026Hyperbolic Hierarchical Clustering for Visual Representation Learning24 Aug 2026
- 2026Hyper^2: Unleashing Hyperbolic Geometry's Full Potential via Dual-Space Consistency23 Aug 2026
- 2026HYDRA: Hyperbolic Dynamic Representation Architecture for Kolmogorov-Arnold Networks12 Aug 2026
- 2026HyperANFIS: Enhancing Rule Representation and Interpretability in Adaptive Neuro-Fuzzy Systems via Hyperbolic Geometry12 Aug 2026
- 2026Riemann GeoResolver: A Non-Euclidean Attention Framework from Euclidean Resolver to Hyperbolic-Spherical Geometry11 Aug 2026
- 2026Similarity Gates Approve Reversals: A Validity Audit of Embedding-Cosine Thresholds in Agent Systems10 Aug 2026
- 2026Hyperbolic Multimodal Continual Learning10 Aug 2026
- 2026HyTBE: Hyperbolic Target-Background Expert Model for Cross-Domain Infrared Small Target Detection6 Aug 2026
- 2026Real-Time Hybrid Retrieval in Hyperbolic Space for Retrieval-Augmented Generation on Edge Devices2 Aug 2026
- 2026Multi-Source Multi-View Graph Domain Adaptation with Hyperbolic Residual Encoding for Cross-Site MDD Identification from rs-fMRI31 Jul 2026
- 2026PointCHR: Point Cloud Analysis via Curvature-Aware Hyperbolic Rectification27 Jul 2026
- 20261-Lipschitz Neural Networks on Hadamard Manifolds21 Jul 2026
- 2026Exposure is not manifestation: measurement target and output resolution jointly determine which behavioural-faithfulness evaluator wins10 Jul 2026
- 2026HyperDCM: Dynamic Cluster Memory Replay in Hyperbolic Space for Continual Robotic Navigation Across Scenes4 Jul 2026
- 2026Learning Taxonomic Trees with Hierarchical Representation Regularization for Large Multimodal Models3 Jul 2026
- 2026Group-Equivariant Poincar'e Convolutional Networks1 Jul 2026
- 2026Rank-Aware Hyperbolic Alignment for Vision-Language Dataset Distillation28 Jun 2026
- 2026Two-dimensional Hyperbolic RNN Neural Quantum State24 Jun 2026
- 2026PoLAR: Factorizing Extent and Mode in Latent Actions for Robot Policy Learning19 Jun 2026
- 2026LieBN: Batch Normalization over Lie Groups13 Jun 2026
- 2026Text-Driven Fusion for Infrared and Visible Images: Achieving Image Scene Adaptation on Hyperbolic Space13 Jun 2026
- 2026Hyperbolic Neural Population Geometry Benefits Computation8 Jun 2026
- 2026The Post-GCN Decade Revisited: Curvature-Stratified Evaluation of Relational Learning4 Jun 2026
- 2026Geodesic Flow Matching on a Riemannian Degradation Manifold for Blind Image Restoration4 Jun 2026
- 2026HyperVis: Continuous Latent Visual Relational Graphs on the Lorentz Hyperboloid for Compositional Reasoning4 Jun 2026
- 2026Hyper-ICL: Attention Calibration with Hyperbolic Anchor Distillation for Multimodal In-Context Learning3 Jun 2026
- 2026hZACH-ViT: Curved Latent Geometry for Compact Vision Transformers in Low-Data Medical Imaging30 May 2026
- 2026SAHG: Sector-Anisotropic Hyperbolic Graph Model for Social Bot Detection28 May 2026
- 2026HyperGuide: Hyperbolic Guidance for Efficient Multi-Step Reasoning in Large Language Models22 May 2026
- 2026Riemannian Networks over Full-Rank Correlation Matrices18 May 2026
- 2026HYPERPOSE: Hyperbolic Kinematic Phase-Space Attention for 3D Human Pose Estimation11 May 2026
- 2026Semantic Alignment in Hyperbolic Space for Open-Vocabulary Semantic Segmentation9 May 2026
50 newest of 393 All 393 (JSON)
- 2024Compositional Entailment Learning for Hyperbolic Vision-Language Modelscited by 72
- 2025Hyperbolic Deep Learning for Foundation Models: A Surveycited by 20
- 2025Hyperbolic Safety-Aware Vision-Language Modelscited by 17
- 2024Hyperbolic Learning with Multimodal Large Language Modelscited by 10
- 2025PHyCLIP: ℓ1-Product of Hyperbolic Factors Unifies Hierarchy and Compositionality in Vision-Language Representation Learningcited by 7
- 2025HyperET: Efficient Training in Hyperbolic Space for Multi-modal Large Language Modelscited by 4
- 2025Modality Alignment across Trees on Heterogeneous Hyperbolic Manifoldscited by 3
- 2026Harnessing Hyperbolic Geometry for Harmful Prompt Detection and Sanitizationcited by 1
- 2026Semantic Alignment in Hyperbolic Space for Open-Vocabulary Semantic Segmentationcited by 1
- 2026Hyper-ICL: Attention Calibration with Hyperbolic Anchor Distillation for Multimodal In-Context Learningcited by 0
- 2026Rank-Aware Hyperbolic Alignment for Vision-Language Dataset Distillationcited by 0
- 2026Learning Taxonomic Trees with Hierarchical Representation Regularization for Large Multimodal Modelscited by 0
12 most cited of 13 All 13 (JSON)
- 2026Hierarchical Prompt Learning for Hyperbolic Vision-Language Models21 Sep 2026
- 2026Learning Taxonomic Trees with Hierarchical Representation Regularization for Large Multimodal Models3 Jul 2026
- 2026Rank-Aware Hyperbolic Alignment for Vision-Language Dataset Distillation28 Jun 2026
- 2026Hyper-ICL: Attention Calibration with Hyperbolic Anchor Distillation for Multimodal In-Context Learning3 Jun 2026
- 2026Semantic Alignment in Hyperbolic Space for Open-Vocabulary Semantic Segmentation9 May 2026
- 2026Harnessing Hyperbolic Geometry for Harmful Prompt Detection and Sanitization7 Apr 2026
- 2025Modality Alignment across Trees on Heterogeneous Hyperbolic Manifolds31 Oct 2025
- 2025HyperET: Efficient Training in Hyperbolic Space for Multi-modal Large Language Models23 Oct 2025
- 2025PHyCLIP: ℓ1-Product of Hyperbolic Factors Unifies Hierarchy and Compositionality in Vision-Language Representation Learning10 Oct 2025
- 2025Hyperbolic Deep Learning for Foundation Models: A Survey23 Jul 2025
- 2025Hyperbolic Safety-Aware Vision-Language Models15 Mar 2025
- 2024Compositional Entailment Learning for Hyperbolic Vision-Language Models9 Oct 2024
12 newest of 13 All 13 (JSON)
- 2024Hyperbolic Geometric Latent Diffusion Model for Graph Generationcited by 20
- 2026DisRFM: Polar Riemannian Flow Matching for Structure-Preserving Graph Domain Adaptationcited by 4
- 2026Improving Graph Few-shot Learning with Hyperbolic Space and Denoising Diffusioncited by 0
- 2026MC-RFM: Geometry-Aware Few-Shot Adaptation via Mixed-Curvature Riemannian Flow Matchingcited by 0
- 2026Geodesic Flow Matching on a Riemannian Degradation Manifold for Blind Image Restorationcited by 0
- 2026HyperDCM: Dynamic Cluster Memory Replay in Hyperbolic Space for Continual Robotic Navigation Across Scenescited by 0
- 2026HyperDCM: Dynamic Cluster Memory Replay in Hyperbolic Space for Continual Robotic Navigation Across Scenes4 Jul 2026
- 2026Geodesic Flow Matching on a Riemannian Degradation Manifold for Blind Image Restoration4 Jun 2026
- 2026MC-RFM: Geometry-Aware Few-Shot Adaptation via Mixed-Curvature Riemannian Flow Matching8 May 2026
- 2026Improving Graph Few-shot Learning with Hyperbolic Space and Denoising Diffusion30 Apr 2026
- 2026DisRFM: Polar Riemannian Flow Matching for Structure-Preserving Graph Domain Adaptation31 Jan 2026
- 2024Hyperbolic Geometric Latent Diffusion Model for Graph Generation6 May 2024
- 2022Hierarchical Symbolic Reasoning in Hyperbolic Space for Deep Discriminative Modelscited by 3
- 2025Multi-Hop Reasoning for Question Answering with Hyperbolic Representationscited by 1
- 2026HyperVis: Continuous Latent Visual Relational Graphs on the Lorentz Hyperboloid for Compositional Reasoningcited by 1
- 2026HyperGuide: Hyperbolic Guidance for Efficient Multi-Step Reasoning in Large Language Modelscited by 0
- 2026HyperVis: Continuous Latent Visual Relational Graphs on the Lorentz Hyperboloid for Compositional Reasoning4 Jun 2026
- 2026HyperGuide: Hyperbolic Guidance for Efficient Multi-Step Reasoning in Large Language Models22 May 2026
- 2025Multi-Hop Reasoning for Question Answering with Hyperbolic Representations4 Jul 2025
- 2022Hierarchical Symbolic Reasoning in Hyperbolic Space for Deep Discriminative Models5 Jul 2022
- 2026GeoWorld: Geometric World Modelscited by 6
- 2026GeoWorld: Geometric World Models26 Feb 2026
- 2021Hyperbolic Deep Neural Networks: A Surveycited by 138
- 2022Hyperbolic Vision Transformers: Combining Improvements in Metric Learningcited by 109
- 2021Fully Hyperbolic Neural Networkscited by 107
- 2022Hyperbolic Image Segmentationcited by 101
- 2023Hyperbolic Deep Learning in Computer Vision: A Surveycited by 72
- 2023E^2VPT: An Effective and Efficient Approach for Visual Prompt Tuningcited by 70
- 2021Discrete-time Temporal Network Embedding via Implicit Hierarchical Learning in Hyperbolic Spacecited by 67
- 2021Lorentzian Graph Convolutional Networkscited by 66
- 2022Hyperbolic Contrastive Learning for Visual Representations beyond Objectscited by 58
- 2021Clipped Hyperbolic Classifiers Are Super-Hyperbolic Classifierscited by 56
- 2021A Hyperbolic-to-Hyperbolic Graph Convolutional Networkcited by 53
- 2021Probing BERT in Hyperbolic Spacescited by 50
12 most cited of 362 All 362 (JSON)
- 2026Curvature Under Attack in hZACH-ViT: Gauge Symmetry, Boundary Saturation, and Adversarial Failure30 Sep 2026
- 2026Minkowski Attractor Networks: Closed-Form Hyperbolic Flows for Visual Representations29 Sep 2026
- 2026Explaining Hyperbolic Neural Networks via Geometry-Aware Relevance Propagation28 Sep 2026
- 2026Rethinking the Fully Hyperbolic Vision Transformer in Polar Coordinates26 Sep 2026
- 2026Hyperbolic Multimodal Continual Learning: A Closest-Admissible Solution24 Sep 2026
- 2026hyperbolix: Hyperbolic Deep Learning in JAX23 Sep 2026
- 2026Geometry-Aware Hyperbolic Residual-Quantized Variational Autoencoders22 Sep 2026
- 2026Hyperbolic Restricted Boltzmann Machine Neural Quantum State22 Sep 2026
- 2026What Drives Hierarchy-Aware Image Retrieval? Taxonomy Alignment, Objective Choice, and Geometry22 Sep 2026
- 2026Exactness at Inference: A Representational Criterion for Out-of-Distribution Generalization21 Sep 2026
- 2026Hypergraph-Regularized Gramian Volumes for Multimodal Retrieval14 Sep 2026
- 2026RiLM: Parameter-Efficient Language Modeling via Geodesic Decoding9 Sep 2026
12 newest of 362 All 362 (JSON)