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Sandareka Wickramanayake

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Jun 2026

TopoCast: A Topological Fidelity Framework for Evaluating Transformer-Based Time Series Forecasting

TopoCast, a topology-driven framework for evaluating structural fidelity in TSF, is proposed and dominant cycle overlap is introduced, a novel metric that maps persistent topological features to the temporal domain to assess whether dominant oscillatory patterns occur at the correct time points.

Sandeepa Weerasekara, Sandareka Wickramanayake · 0 citations