[1] M. J. Evans:
Some theorems whose $\sigma $-porous exceptional sets are not $\sigma $-symmetrically porous. Real Anal. Exch. 17 (1991–92), 809–814.
DOI 10.2307/44153777 |
MR 1171425
[2] M. J. Evans, P. D. Humke, and K. Saxe:
A symmetric porosity conjecture of L. Zajíček. Real Anal. Exch. 17 (1991–92), 258–271.
DOI 10.2307/44152206 |
MR 1147367
[3] M. J. Evans, P. D. Humke, and K. Saxe:
A characterization of $\sigma $-symmetrically porous symmetric Cantor sets. Proc. Amer. Math. Soc (to appear).
MR 1205490
[5] P. D. Humke and B. S. Thompson:
A porosity characterization of symmetric perfect sets. Classical Real Analysis, AMS Contemporary Mathematics 42 (1985), 81–86.
DOI 10.1090/conm/042/807980 |
MR 0807980