TY - JOUR
T1 - First countability and local simple connectivity of one point unions
AU - Eda, Katsuya
PY - 1990
Y1 - 1990
N2 - There exists a path-connected, simply connected, Tychonoff space X with x suchthat X is locally simply connected at x, but (X, x) V (X, x) is not simply connected.
AB - There exists a path-connected, simply connected, Tychonoff space X with x suchthat X is locally simply connected at x, but (X, x) V (X, x) is not simply connected.
KW - First countable
KW - Fundamental group
KW - Locally simply connected
KW - One point union
UR - http://www.scopus.com/inward/record.url?scp=84966224921&partnerID=8YFLogxK
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U2 - 10.1090/S0002-9939-1990-1013969-5
DO - 10.1090/S0002-9939-1990-1013969-5
M3 - Article
AN - SCOPUS:84966224921
VL - 109
SP - 237
EP - 241
JO - Proceedings of the American Mathematical Society
JF - Proceedings of the American Mathematical Society
SN - 0002-9939
IS - 1
ER -