Speciality: 01.01.01 (Real analysis, complex analysis, and functional analysis)
E-mail: ,
Keywords: CAT(0) spaces, fixed point iterations, Banach spaces of sequences, integral inequalities.

Subject:

Functional Analysis, Fixed Point Theory, Nonlinear Geometry, Number Theory.

Main publications:

• A. Bёrdёllima and N. Braha, Banach spaces of sequences arising from infinite matrices, Ann. Funct. Anal., 15:2 (2024), 1--21.
• A. Bёrdёllima, On a weak topology for Hadamard spaces, Mat. Sb., 214:10 (2023), 25--43.
• A. Bёrdёllima, On a notion of averaged mappings in CAT(0) spaces. Funktsional. Anal. i Prilozhen., 56:1 (2022), 37--50.
• A. Bёrdёllima, A note on Mosco convergence in CAT(0) spaces. Canad. Math. Bull., 65:4 (2022), 994--1003.
• A. Bёrdёllima, A note on a conjecture by Khabibullin, Zap. Nauchn. Sem. POMI, 467 (2018), 7--20.

Recent publications

Personal pages:

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Organisations:

• German International University
• Institut für Mathematik, Technische Universität Berlin
• Institute for Numerical and Applied Mathematics, Georg-August-Universität Göttingen
• Epoka University