참고문헌
- A. Bogmer and A. Sovegjarto, On universal functions, Acta Math. Hungar. 49 (1987), no. 1-2, 237–239 https://doi.org/10.1007/BF01956327
- R. A. Bonic, Linear Functional Analysis, Notes on Mathematics and its Applications Gordon and Breach Science Publishers, New York-London-Paris, 1969
- Z. Buczolich, On universal functions and series, Acta Math. Hungar. 49 (1987), no. 3-4, 403–414 https://doi.org/10.1007/BF01951004
-
M. M. Day, The spaces
$L^p$ with$0 https://doi.org/10.1090/S0002-9904-1940-07308-2, Bull. Amer. Math. Soc. 46 (1940), 816–823
- K.-G. Grosse-Erdmann, Universal families and hypercyclic operators, Bull. Amer. Math. Soc. (N.S.) 36 (1999), no. 3, 345–381
- G. Herzog and R. Lemmert, Universality of methods approximating the derivative, Bull. Austral. Math. Soc. 73 (2006), no. 3, 405–411
- I. Joo, On the divergence of eigenfunction expansions, Ann. Univ. Sci. Budapest. Eotvos Sect. Math. 32 (1989), 3–36