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 periodicals archive ?
As in the case of multiple concurrent respondents, where turning down one and choosing another bidder is not a retraction, in the case of multiple sequential respondents, the offeror can turn and deal with a subsequent partner after the initial one rejected the offer.
The disruption leads to the formation of retraction pockets in weak, atrophic areas.
Bradley Gage, the attorney for the officers, called Moisa's retraction a case of ``little too little, little too late,'' and said the retraction was not substantial enough.
The second system under study at Natick involves a cable retraction technique.
They got it on the same page, they do have the heading 'Retraction,' but it's our position that it's not in the same type," says Tierney, who argues that the headline size of the retraction didn't match that of the offending article.
It was the beginning of the new millennia when researchers presented solid evidence against the long-standing bias; that extraction therapy had major aesthetic drawbacks in patients with increased overbite and/or gingival exposure, as the incisors tend to extrude during retraction (1-3).
A spokesperson from SAGE, told Retraction Watch that "The ISOBM (society owner of Tumor Biology) approached SAGE in early 2016 seeking to re-launch their publication as an open access journal with a new publisher.
25 Retraction is a mechanism of correcting the literature and informing readers about publications with seriously flawed or unreliable and erroneous data.
About 74% of the dentists preferred retraction cords to achieve gingival retraction; however, majority (40%) of the dentists used them only "sometimes" while 31% used them "hardly ever".
The insight gained from this perspective can inform decision making in the clinical care of TM retraction.
Lower eyelid retraction can be due to multiple variables.
An adjunct 4th Blade Anterior Retraction option enables surgeons to increase the retraction field if necessary.