QuIRK: Quantum-Inspired Re-uploading KAN
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866917023379881984 |
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| author | Sharma, Vinayak Padhy, Ashish Sen, Lord Karanjkar, Vijay Jagdish Behera, Sourav Mukherjee, Shyamapada Shrivastava, Aviral |
| author_facet | Sharma, Vinayak Padhy, Ashish Sen, Lord Karanjkar, Vijay Jagdish Behera, Sourav Mukherjee, Shyamapada Shrivastava, Aviral |
| contents | Kolmogorov-Arnold Networks or KANs have shown the ability to outperform classical Deep Neural Networks, while using far fewer trainable parameters for regression problems on scientific domains. Even more powerful has been their interpretability due to their structure being composed of univariate B-Spline functions. This enables us to derive closed-form equations from trained KANs for a wide range of problems. This paper introduces a quantum-inspired variant of the KAN based on Quantum Data Re-uploading (DR) models. The Quantum-Inspired Re-uploading KAN or QuIRK model replaces B-Splines with single-qubit DR models as the univariate function approximator, allowing them to match or outperform traditional KANs while using even fewer parameters. This is especially apparent in the case of periodic functions. Additionally, since the model utilizes only single-qubit circuits, it remains classically tractable to simulate with straightforward GPU acceleration. Finally, we also demonstrate that QuIRK retains the interpretability advantages and the ability to produce closed-form solutions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_08650 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | QuIRK: Quantum-Inspired Re-uploading KAN Sharma, Vinayak Padhy, Ashish Sen, Lord Karanjkar, Vijay Jagdish Behera, Sourav Mukherjee, Shyamapada Shrivastava, Aviral Quantum Physics Machine Learning I.2.0 Kolmogorov-Arnold Networks or KANs have shown the ability to outperform classical Deep Neural Networks, while using far fewer trainable parameters for regression problems on scientific domains. Even more powerful has been their interpretability due to their structure being composed of univariate B-Spline functions. This enables us to derive closed-form equations from trained KANs for a wide range of problems. This paper introduces a quantum-inspired variant of the KAN based on Quantum Data Re-uploading (DR) models. The Quantum-Inspired Re-uploading KAN or QuIRK model replaces B-Splines with single-qubit DR models as the univariate function approximator, allowing them to match or outperform traditional KANs while using even fewer parameters. This is especially apparent in the case of periodic functions. Additionally, since the model utilizes only single-qubit circuits, it remains classically tractable to simulate with straightforward GPU acceleration. Finally, we also demonstrate that QuIRK retains the interpretability advantages and the ability to produce closed-form solutions. |
| title | QuIRK: Quantum-Inspired Re-uploading KAN |
| topic | Quantum Physics Machine Learning I.2.0 |
| url | https://arxiv.org/abs/2510.08650 |