deformation retract
(linguistics) Having lost, or tending to lose, inflections by phonetic decay.
(topology) A subspace such that there is a retraction onto it of the ambient space homotopic to the identity function on the ambient space.
plural of passeroid
A male given name / Troilus, a character associated with the Trojan War
平面に埋め込まれた円は、穴の開いた平面からその空間の恒等写像とホモトピーで結ばれるような写像によって写される部分空間の典型例である。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★
