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State institution "South Ukrainian National Pedagogical University named after K. D. Ushynsky"

Ukraine

5 papers here105 citations across 5
fields
  • math.SP2
  • math.DG1
  • math-ph1
  • q-fin.ST1
ROR 05wvagp91OpenAlex

affiliations via OpenAlex

output
20082022
most citedComplete Einstein metrics are geodesically rigid

55 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

  • V. Pivovarchik3 · h 18
  • C. Tretter1 · h 24
  • Delio Mugnolo1 · h 24
  • N. Rozhenko1 · h 3
  • V. Kiosak1 · h 17
  • V. Matveev1 · h 29
  • V. Nastasiuk1 · h 2
collaborating institutions
  • FernUniversität in HagenDE1 paper
  • Friedrich Schiller University JenaDE1 paper
  • Universiti Brunei DarussalamBN1 paper
  • University of BernCH1 paper
Showing math.SPShow all

2 papers · 1 filter

math.SP2022★ 9 cited

Distinguishing co-spectral quantum graphs by scattering

Delio Mugnolo, Vyacheslav Pivovarchik

We propose a simple method for resolution of co-spectrality of Schrödinger operators on metric graphs. Our approach consists of attaching a lead to them and comparing the S-funct…

math.SP2013★ 25 cited

Dirichlet-Neumann inverse spectral problem for a star graph of Stieltjes strings

Vyacheslav Pivovarchik, Natalia Rozhenko, Christiane Tretter

We solve two inverse spectral problems for star graphs of Stieltjes strings with Dirichlet and Neumann boundary conditions, respectively, at a selected vertex called root. The root…

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