creators_name: Lim, Ming-Huat creators_name: Tan, Joshua Juat-Huan type: article datestamp: 2009-10-29 08:38:15 lastmod: 2013-05-27 05:48:19 metadata_visibility: show corp_creators: University of Malaya corp_creators: Open University Malaysia title: Preservers of pairs of bivectors with bounded distance ispublished: pub subjects: QA75 full_text_status: none keywords: Adjacency preserving mappings ; Second exterior powers ; Arithmetic distance ; Alternate matrices abstract: We extend Liu's fundamental theorem of the geometry of alternate matrices to the second exterior power of an infinite dimensional vector space and also use her theorem to characterize surjective mappings T from the vector space V of all n x n alternate matrices over a field with at least three elements onto itself such that for any pair A,B in V,rank(A - B) <= 2k if and only if rank(T(A) - T(B)) <=2k, where k is a fixed positive integer such that n >= 2k + 2 and k >= 2. (Authors' abstract) date: 2009 date_type: published publication: Linear Algebra and its Applications number: 430 publisher: Elsevier pagerange: 564-573 refereed: TRUE issn: 0024-3795 citation: Lim, Ming-Huat and Tan, Joshua Juat-Huan (2009) Preservers of pairs of bivectors with bounded distance. Linear Algebra and its Applications (430). pp. 564-573. ISSN 0024-3795