My papers

pdf Michal Johanis, Approximation of Lipschitz mappings, Serdica Math. J. 29 (2003), no. 2, 141-148.
pdf Petr Hájek and Michal Johanis, Smooth approximations without critical points, Central European J. Math. 1 (2003), no. 3, 284-291. (DOI: 10.2478/BF02475210) (The pdf contains slightly improved results.)
pdf Petr Hájek and Michal Johanis, Characterisation of reflexivity by equivalent renorming, J. Funct. Anal. 211 (2004), no. 1, 163-172. (DOI: 10.1016/S0022-1236(03)00264-7)
pdf Petr Hájek and Michal Johanis, Isomorphic embeddings and harmonic behaviour of smooth operators, Israel J. Math. 143 (2004), no. 1, 299-315. (DOI: 10.1007/BF02803504)
pdf Michal Johanis, Locally flat Banach spaces, Czechoslovak Math. J. 59 (2009), no. 1, 273-284. (DOI: 10.1007/s10587-009-0019-1)
Petr Hájek and Michal Johanis, Smoothing of bump functions, J. Math. Anal. Appl. 338 (2008), no. 2, 1131-1139. (DOI: 10.1016/j.jmaa.2007.06.006)
Petr Hájek and Michal Johanis, Polyhedrality in Orlicz spaces, Israel J. Math. 168 (2008), no. 1, 167-188. (DOI: 10.1007/s11856-008-1062-6)
pdf Michal Johanis and Jan Rychtář, On uniformly Gâteaux smooth norms and normal structure, Proc. Amer. Math. Soc. 135 (2007), no. 5, 1511-1514. (DOI: 10.1090/S0002-9939-06-08819-8)
Michal Johanis and Jan Rychtář, On the Singled out game, Int. J. Math. Game Theory Algebra 18 (2009), no. 6, 479-488.
Michal Johanis and Jan Rychtář, An enhanced model of the two-player Singled out game, J. Stat. Theory Pract. 4 (2010), no. 4, 679-697. (DOI: 10.1080/15598608.2010.10412012)
pdf Petr Hájek and Michal Johanis, Uniformly Gâteaux smooth approximations on c0(Γ), J. Math. Anal. Appl. 350 (2009), no. 2, 623-629. (DOI: 10.1016/j.jmaa.2008.05.008) (The pdf contains somewhat improved results.)
pdf Petr Hájek and Michal Johanis, Smooth approximations, J. Funct. Anal. 259 (2010), no. 3, 561-582. (DOI: 10.1016/j.jfa.2010.04.020)
pdf Petr Hájek and Michal Johanis, On Peano's theorem in Banach spaces, J. Differential Equations 249 (2010), no. 12, 3342-3351. (DOI: 10.1016/j.jde.2010.09.013)
pdf Michal Johanis, A simpler proof of the approximation by real analytic Lipschitz functions, J. Math. Anal. Appl. 388 (2012), no. 1, 1-7. (DOI: 10.1016/j.jmaa.2010.10.050)
pdf Michal Johanis, A remark on the approximation theorems of Whitney and Carleman-Scheinberg, Comment. Math. Univ. Carolin. 56 (2015), no. 1, 1-6. (DOI: 10.14712/1213-7243.015.101)
Michal Johanis and Jan Rychtář, A three-player Singled out game, J. Stat. Theory Pract. 9 (2015), no. 4, 882-895. (DOI: 10.1080/15598608.2015.1042174)
pdf Michal Johanis, A quantitative version of the Converse Taylor theorem: Ck,ω-smoothness, Colloq. Math. 136 (2014), no. 1, 57-64. (DOI: 10.4064/cm136-1-6) (The pdf contains slightly improved results.)
Mark Broom, Michal Johanis, and Jan Rychtář, The effect of fight cost structure on fighting behaviour, J. Math. Biol. 71 (2015), no. 4, 979-996. (DOI: 10.1007/s00285-014-0848-x)
pdf Stefania D'Alessandro, Petr Hájek, and Michal Johanis, Corrigendum to the paper "Polynomial algebras on classical Banach spaces", Israel J. Math. 106 (1998), 209-220, Israel J. Math. 207 (2015), no. 2, 1003-1012. (DOI: 10.1007/s11856-015-1155-y)
pdf Michal Johanis and Luděk Zajíček, Smoothness via directional smoothness and Marchaud's theorem in Banach spaces, J. Math. Anal. Appl. 423 (2015), no. 1, 594-607. (DOI: 10.1016/j.jmaa.2014.09.068)
Mark Broom, Michal Johanis, and Jan Rychtář, The effect of fight cost structure on fighting behaviour involving simultaneous decisions and variable investment levels, J. Math. Biol. 76 (2018), no. 1-2, 457-482. (DOI: 10.1007/s00285-017-1149-y)
pdf Marek Cúth and Michal Johanis, Isometric embedding of l1 into Lipschitz-free spaces and l into their duals, Proc. Amer. Math. Soc. 145 (2017), no. 8, 3409-3421. (DOI: 10.1090/proc/13590)
pdf Michal Johanis, Smooth partitions of unity on Banach spaces, J. Funct. Anal. 273 (2017), no. 2, 694-704. (DOI: 10.1016/j.jfa.2017.03.014)
pdf Petr Hájek and Michal Johanis, A remark on smooth images of Banach spaces, J. Math. Anal. Appl. 458 (2018), no. 2, 1307-1313. (DOI: 10.1016/j.jmaa.2017.10.019) (The pdf contains slightly improved results.)
pdf Michal Johanis, A factorisation approach to Bates's theorem, J. Math. Anal. Appl. 481 (2020), no. 1, 123454. (DOI: 10.1016/j.jmaa.2019.123454)
Shan Sun, Michal Johanis, and Jan Rychtář, Costly signalling theory and dishonest signalling, Theor. Ecol. 13 (2020), no. 1, 85-92. (DOI: 10.1007/s12080-019-0429-0)
pdf Petr Hájek and Michal Johanis, A note on biorthogonal systems, Rev. Mat. Complut. 33 (2020), no. 3, 859-869. (DOI: 10.1007/s13163-019-00339-6)
Shan Sun, Mark Broom, Michal Johanis, and Jan Rychtář, A mathematical model of kin selection in floral displays, J. Theoret. Biol. 509 (2021), 110470. (DOI: 10.1016/j.jtbi.2020.110470)
Madhumitha Balasekaran, Michal Johanis, Jan Rychtář, Dewey Taylor, and Jackie Zhu, Quasi-neutral evolution in populations under small demographic fluctuations, J. Theoret. Biol. 538 (2022), 111040. (DOI: 10.1016/j.jtbi.2022.111040)
pdf Michal Johanis, Václav Kryštof, and Luděk Zajíček, On Whitney-type extension theorems on Banach spaces for C1,ω, C1,+, Cloc1,+, and CB1,+-smooth functions, J. Math. Anal. Appl., 532 (2024), no. 1, 127976. (DOI: 10.1016/j.jmaa.2023.127976)
pdf Michal Johanis, A note on C1,α-smooth approximation of Lipschitz functions, Proc. Amer. Math. Soc., to appear.