On duality of diameter 2 properties R Haller, J Langemets, M Põldvere
arXiv preprint arXiv:1311.2177, 2013
60 2013 Kaczmarz algorithm in Hilbert space R Haller, R Szwarc
Studia Mathematica 169, 123-132, 2005
32 2005 Symmetric strong diameter two property R Haller, J Langemets, V Lima, R Nadel
Mediterranean Journal of Mathematics 16, 1-17, 2019
30 2019 Delta-and Daugavet points in Banach spaces TA Abrahamsen, R Haller, V Lima, K Pirk
Proceedings of the Edinburgh Mathematical Society 63 (2), 475-496, 2020
27 2020 Two remarks on diameter 2 properties R Haller, J Langemets
Proceedings of the Estonian Academy of Sciences 63 (1), 2, 2014
23 2014 Daugavet-and delta-points in absolute sums of Banach spaces R Haller, K Pirk, T Veeorg
arXiv preprint arXiv:2001.06197, 2020
18 2020 Stability of average roughness, octahedrality, and strong diameter properties of Banach spaces with respect to absolute sums R Haller, J Langemets, R Nadel
17 2018 Rough norms in spaces of operators R Haller, J Langemets, M Põldvere
Mathematische Nachrichten 290 (11-12), 1678-1688, 2017
11 2017 Geometry of Banach spaces with an octahedral norm R Haller, J Langemets
arXiv preprint arXiv:1401.3612, 2014
8 2014 Geometric characterizations of positions of Banach spaces in their biduals R Haller, E Oja
Archiv der Mathematik 69 (3), 227-233, 1997
8 1997 Quantitative Versions of Hereditary Results on M ‐Ideals of Compact Operators R Haller, E Oja, E Plewnia
Mathematische Nachrichten 246 (1), 106-120, 2002
7 2002 On Daugavet indices of thickness R Haller, J Langemets, V Lima, R Nadel, AR Zoca
Journal of Functional Analysis 280 (7), 108846, 2021
6 2021 Banach spaces where convex combinations of relatively weakly open subsets of the unit ball are relatively weakly open TA Abrahamsen, JB Guerrero, R Haller, V Lima, M Põldvere
arXiv preprint arXiv:1806.10693, 2018
6 2018 Diametral strong diameter two property of Banach spaces is stable under direct sums with 1-norm R Haller, K Pirk, M Põldvere
arXiv preprint arXiv:1603.08082, 2016
6 2016 Two new examples of Banach spaces with a plastic unit ball R Haller, N Leo, O Zavarzina
arXiv preprint arXiv:2111.10122, 2021
5 2021 Unconditional bases and Daugavet renormings R Haller, J Langemets, Y Perreau, T Veeorg
Journal of Functional Analysis 286 (12), 110421, 2024
4 2024 On convex combinations of slices of the unit ball in Banach spaces R Haller, P Kuuseok, M Põldvere
arXiv preprint arXiv:1703.02919, 2017
4 2017 M (r , s )-ideals of compact operatorsR Haller, M Johanson, E Oja
Czechoslovak mathematical journal 62, 673-693, 2012
4 2012 On transitivity of M (r, s)-inequalities and geometry of higher duals of Banach spaces R Haller
Acta et Commentationes Universitatis Tartuensis de Mathematica 6, 9-15, 2002
4 2002 The Lipschitz-free space over a length space is locally almost square but never almost square R Haller, JK Kaasik, A Ostrak
Mediterranean Journal of Mathematics 20 (1), 39, 2023
3 2023