Spectral Representation

Spectral representation focuses on analyzing and manipulating data by decomposing it into its constituent frequency components, aiming to extract meaningful features and improve model performance across various domains. Current research emphasizes the development of novel algorithms and model architectures, such as diffusion models, neural operators, and spectral-aware transformers, to enhance the expressiveness and efficiency of spectral representations, particularly in handling non-stationary data and high-dimensional problems. This approach is proving valuable in diverse fields, including turbulence modeling, causal inference, recommendation systems, and graph analysis, by improving prediction accuracy, mitigating biases, and enabling more efficient computations. The resulting advancements have significant implications for both theoretical understanding and practical applications in numerous scientific and engineering disciplines.

Papers