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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
'After reading out the retraction, both the plaintiff and defendant will not have any other claims against each other in future with regards to this case,' he said.
Mean canine retraction in patients with conventional mechanics was 0.49 +- 0.08 mm while patients with FCP had a mean retraction of 1.52+-0.11 mm measured at the tips of the canine and lateral incisor after 28 days.
Substantial evidence supports the Department's retractions of Medicaid payments under each assigned error code.
To investigate the natural history of this poorly understood pathology, a cohort of children with TM retraction was followed over time.
Murrett, MAI, SRA, stating, "For the benefit of practicing appraisers, and in the best interest of public trust, we ask that the ASB reconsider, rewrite and reissue, or issue a retraction of these Q&As."
(10) suggested that micro-implants placed between the second premolar and the first molar could be used with a closed coil spring for the retraction of maxillary incisors.
The company revealed that the CleanCisionSystem is an easy-to-use retraction system, which is developed by surgeons and infection control experts, that has been shown to reverse and reduce the pervasive sources of surgical infection, clearing harmful bacteria throughout surgery when the threat of wound contamination is at its highest.
Retraction can be understood as some kind of "trick" which prevents nozzles from oozing (stringing).
However, they are also useful in non-aesthetic indications of lagophthalmos, lower eyelid retraction and eyelid malpositions.
In this case, Springer, the publisher of Tumor Biology through 2016, told Retraction Watch that an investigation produced "clear evidence" the reviews were submitted under the names of real researchers with faked emails.
With the SINCRO M machine, it is possible to produce FAPP(tm) low-density packages (FAdis Precision Package), which allows for wide retraction margins of the yarn during the dyeing phase, thus keeping a high residual elasticity percentage of the elasticized yarn.