Coupling for indefinite Sturm–Liouville and PT -symmetric operators

• Applicant: Professor Dr. Carsten Trunk
• Subject Area: Mathematics
• Term: from 2018 to 2020
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 401706221

• Final Report Year: 2021

No abstract available

Publications

• Full indefinite Stieltjes moment problem and Pade approximants, Methods Funct. Anal. Topology, 26 (2020), 1-26
  Derkach, Volodymyr & Kovalyov, Ivan
  
• Functional models for entire symmetric operators in rigged de Branges Pontryagin spaces, J. Funct. Anal. 280 (2021), 108776, 74 pp.
  Derkach, Volodymyr & Dym, Harry
  
• Unitary boundary pairs for isometric operators in Pontryagin spaces and generalized coresolvents, Complex Anal. Oper. Theory 15, Article number: 32 (2021)
  Baidiuk, D.; Derkach, V. & Hassi, S.