In this paper, we improve the best known constant for the discrepancy formulated in the Komlós Conjecture. The result is based on an improvement of the sub-Gaussian bound for the random vector constructed in the Gram-Schmidt Random Walk algorithm. Moreover, we present detailed argument for the smoothed analysis of this random vector. The analysis concerns a modification of a given matrix in the conjecture by a Gaussian type perturbation. Our result improves on a recent paper in this direction Bansal et al. (Smoothed Analysis of the Komlós Conjecture (2022). arXiv:2204.11427).

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Some Remarks on the Gram-Schmidt Walk Algorithm and Consequences for the Komlós Conjecture

  • Witold Bednorz,
  • Piotr Godlewski

摘要

In this paper, we improve the best known constant for the discrepancy formulated in the Komlós Conjecture. The result is based on an improvement of the sub-Gaussian bound for the random vector constructed in the Gram-Schmidt Random Walk algorithm. Moreover, we present detailed argument for the smoothed analysis of this random vector. The analysis concerns a modification of a given matrix in the conjecture by a Gaussian type perturbation. Our result improves on a recent paper in this direction Bansal et al. (Smoothed Analysis of the Komlós Conjecture (2022). arXiv:2204.11427).