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We show that a set of different homographies can be embedded in different ways to a higher-dimensional real or complex space , so that each homography corresponds to either a complex bilinear form or a real quadratic form .
 feature of: higher-dimensional real or complex space, homographies; feature of: complex bilinear form, homography; conjunction: complex bilinear form, real quadratic form; feature of: real quadratic form, homography
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  higher-dimensional real or complex space, homographies; complex bilinear form, homography; complex bilinear form, real quadratic form; real quadratic form, homography 
Answer:
 feature of: higher-dimensional real or complex space, homographies; feature of: complex bilinear form, homography; conjunction: complex bilinear form, real quadratic form; feature of: real quadratic form, homography