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Ning-Kang Peng

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#machine learning Preprint Sep 2026

Same Loss, Different Gradients

Differentiable learning typically assumes that the scalar objective evaluated in the forward pass and the gradient supplied to the optimizer in the backward pass describe the same mathematical object. We show that this correspondence can fail when probabilistic objectives rely on finite special-function recurrences, cu...

Ning-Kang Peng, Xiao-Qian Peng, Yi-Fan He et al. · 0 citations
Conference Open access Sep 2026

Label Enhancement via Cross-View Fusion and Mixed Graph Propagation

Label Distribution Learning (LDL) effectively addresses label ambiguity by modeling the degree to which each label describes an instance. A key challenge in LDL is Label Enhancement (LE): recovering label distributions from logical labels. Existing LE methods typically treat logical labels as supervisory signals and le...

Meng-Jiao Kai, Chao Tan, Yandong Wang et al. · 0 citations

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