Preprints:
  1. Revisiting Arnold's topological proof of the Morse index theorem (2023), arxiv: math.DG/2307.00655.
Papers:
  1. Classification of linear operators satisfying \((Au,v) = (u, A^r v)\) or \((Au, A^r v) = (u,v)\) on a vector space with indefinite scalar product, Linear Algebra and its Applications 611 (2021), 118-134, https://doi.org/10.1016/j.laa.2020.12.005. (with V. S. Borges, I. Kashyba, V. V. Sergeichuk & A. Zaidan.)

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