Search Results for author: Pranay Tankala

Found 5 papers, 1 papers with code

From Pseudorandomness to Multi-Group Fairness and Back

no code implementations21 Jan 2023 Cynthia Dwork, Daniel Lee, Huijia Lin, Pranay Tankala

We identify and explore connections between the recent literature on multi-group fairness for prediction algorithms and the pseudorandomness notions of leakage-resilience and graph regularity.

Fairness LEMMA

Privately Estimating a Gaussian: Efficient, Robust and Optimal

no code implementations15 Dec 2022 Daniel Alabi, Pravesh K. Kothari, Pranay Tankala, Prayaag Venkat, Fred Zhang

We prove a new lower bound on differentially private covariance estimation to show that the dependence on the condition number $\kappa$ in the above sample bound is also tight.

Weighed $\ell_1$ on the simplex: Compressive sensing meets locality

no code implementations28 Apr 2021 Abiy Tasissa, Pranay Tankala, Demba Ba

Sparse manifold learning algorithms combine techniques in manifold learning and sparse optimization to learn features that could be utilized for downstream tasks.

Compressive Sensing

On the convergence of group-sparse autoencoders

no code implementations13 Feb 2021 Emmanouil Theodosis, Bahareh Tolooshams, Pranay Tankala, Abiy Tasissa, Demba Ba

Recent approaches in the theoretical analysis of model-based deep learning architectures have studied the convergence of gradient descent in shallow ReLU networks that arise from generative models whose hidden layers are sparse.

Clustering

K-Deep Simplex: Deep Manifold Learning via Local Dictionaries

1 code implementation3 Dec 2020 Pranay Tankala, Abiy Tasissa, James M. Murphy, Demba Ba

We theoretically analyze the proposed program by relating the weighted $\ell_1$ penalty in KDS to a weighted $\ell_0$ program.

Clustering Deep Clustering +2

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