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Set to Be Fair: Demographic Parity Constraints for Set-Valued Classification

arXiv:2510.04926v1 Announce Type: new Abstract: Set-valued classification is used in multiclass settings where confusion between classes can occur and lead to misleading predictions. However, its application may amplify discriminatory bias motivating the development of set-valued approaches under fairness constraints. In…

Embracing Discrete Search: A Reasonable Approach to Causal Structure Learning

arXiv:2510.04970v1 Announce Type: new Abstract: We present FLOP (Fast Learning of Order and Parents), a score-based causal discovery algorithm for linear models. It pairs fast parent selection with iterative Cholesky-based score updates, cutting run-times over prior algorithms. This makes it…

Closed-Form Last Layer Optimization

arXiv:2510.04606v1 Announce Type: cross Abstract: Neural networks are typically optimized with variants of stochastic gradient descent. Under a squared loss, however, the optimal solution to the linear last layer weights is known in closed-form. We propose to leverage this during…

On Structured State-Space Duality

arXiv:2510.04944v1 Announce Type: cross Abstract: Structured State-Space Duality (SSD) [Dao & Gu, ICML 2024] is an equivalence between a simple Structured State-Space Model (SSM) and a masked attention mechanism. In particular, a state-space model with a scalar-times-identity state matrix is…

Causal Abstractions, Categorically Unified

arXiv:2510.05033v1 Announce Type: new Abstract: We present a categorical framework for relating causal models that represent the same system at different levels of abstraction. We define a causal abstraction as natural transformations between appropriate Markov functors, which concisely consolidate desirable…