החיפוש שביצעת - communication communication between expected ((euclidean rings) OR (euclidean minisum)) - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication between » communication networks
euclidean minisum » euclidean minimum
between expected » between selected, between expert, between directed
euclidean rings » euclidean gibbs, euclidean graphs, euclidean random

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