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Author

Sayar Karmakar

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#machine learning Preprint Oct 2026

Executing Causal Structure Learning with Linear-Attention Transformers

Transformers can execute algorithms on data given in their input. We ask whether they can do the same for causal discovery. We study a standard continuous method that repeatedly updates a candidate causal graph while enforcing acyclicity. We explicitly construct a fixed-weight transformer whose forward pass exactly rep...

Amartya Roy, Sayar Karmakar · 0 citations
Preprint Sep 2026

A Characterization of the $M$-tests Under Nearly Integrated Nearly White Noise

We derive the limiting distributions of the $M$-test family of unit root statistics in the nearly integrated nearly white noise (NINW) framework introduced by Nabeya and Perron (1994) in the case of an unknown linear time trend. In the case of known long run variance (LRV), the limiting distributions of the $M^{GLS}$ t...

Aidan Wardak, Sayar Karmakar · 0 citations

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