retract


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retract

[′rē‚trakt]
(mathematics)
A subset R of a topological space X is a retract of X if there is a continuous map ƒ from X to R, with ƒ(r) = r for all points r of R.
References in classic literature ?
I resolved to come here alone, and entreat you to retract the course you have chosen, and instead of confiding in a mere stranger--a person of most insolent behaviour to your brother and others--to prefer your brother and your brother's friend.
I have been rendered uneasy by what you said the other night, and can only plead that I have done all for the best--that it is too late to retract, if I could (though I cannot)--and that I hope to triumph yet.
The actor retracts and apologises for his tweets hours later
Penchev confirmed the information that the problem had occurred due to a failure to retract the landing gear of the aircraft.
He said the word 'sex businesses' was inappropriate, adding that he must apologise to the US military and American people and retract his comment.
A report bulletin to the Air Accidents Investigation Branch read: "The pilot stated that he had intended to retract the flaps but inadvertently selected the undercarriage to the 'up' position.
TRIPOLI, Lebanon: Members of a municipal council in Batroun decided to retract their resignations Wednesday and spare their local government a by-election to replace them.
We recognise that complainants sometimes retract a true allegation due to pressure, violence or intimidation," Mr Starmer said.
We fully retract this paper from the published record," Lancet editors said in a statement.
Journal editors may retract publications (or issue expressions of concern) even if all or some of the authors refuse to retract the publication themselves.
The official source demanded that the State Department retract the news and offer an explanation and clarification of the reasons behind this falsehood that does not serve relations between the two friendly countries.
BRITAIN'S anti-terror chief was under growing pressure today to retract all his comments accusing the Conservatives of trying to undermine his Whitehall leaks inquiry.