On the determination of the Singer transfer

Let Pk be the graded polynomial algebra F2[x1, x2, . . . , xk] with the degree of each generator xi being 1, where F2 denote the prime field of two elements, and let GLk be the general linear group over F2 which acts regularly on Pk. We study the algebraic transfer constructed by Singer [1] usin...

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Main Author: Sum Nguyen
Format: Article
Language:English
Published: Vietnam Ministry of Science and Technology 2018-03-01
Series:Vietnam Journal of Science, Technology and Engineering
Subjects:
Online Access:https://vietnamscience.vjst.vn/index.php/vjste/article/view/250
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author Sum Nguyen
author_facet Sum Nguyen
author_sort Sum Nguyen
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description Let Pk be the graded polynomial algebra F2[x1, x2, . . . , xk] with the degree of each generator xi being 1, where F2 denote the prime field of two elements, and let GLk be the general linear group over F2 which acts regularly on Pk. We study the algebraic transfer constructed by Singer [1] using the technique of the Peterson hit problem. This transfer is a homomorphism from the homology of the mod-2 Steenrod algebra A, TorA k,k+d(F2, F2), to the subspace of F2⊗APk consisting of all the GLk-invariant classes of degree d. In this paper, by using the results on the Peterson hit problem we present the proof of the fact that the Singer algebraic transfer is an isomorphism for k 3. This result has been proved by Singer in [1] for k 2 and by Boardman in [2] for k = 3. We show that the fourth Singer transfer is also an isomorphism in certain internal degrees. This result is new and it is different from the ones of Bruner, Ha and Hung [3], Chon and Ha [4], Ha [5], Hung and Quynh [6], Nam [7].
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spelling doaj.art-862fe34259d84c53b611d672e61b5e802023-02-01T08:20:47ZengVietnam Ministry of Science and TechnologyVietnam Journal of Science, Technology and Engineering2525-24612615-99372018-03-0160110.31276/VJSTE.60(1).03On the determination of the Singer transferSum Nguyen0Department of Mathematics, Quy Nhon University, Vietnam Let Pk be the graded polynomial algebra F2[x1, x2, . . . , xk] with the degree of each generator xi being 1, where F2 denote the prime field of two elements, and let GLk be the general linear group over F2 which acts regularly on Pk. We study the algebraic transfer constructed by Singer [1] using the technique of the Peterson hit problem. This transfer is a homomorphism from the homology of the mod-2 Steenrod algebra A, TorA k,k+d(F2, F2), to the subspace of F2⊗APk consisting of all the GLk-invariant classes of degree d. In this paper, by using the results on the Peterson hit problem we present the proof of the fact that the Singer algebraic transfer is an isomorphism for k 3. This result has been proved by Singer in [1] for k 2 and by Boardman in [2] for k = 3. We show that the fourth Singer transfer is also an isomorphism in certain internal degrees. This result is new and it is different from the ones of Bruner, Ha and Hung [3], Chon and Ha [4], Ha [5], Hung and Quynh [6], Nam [7]. https://vietnamscience.vjst.vn/index.php/vjste/article/view/250algebraic transferpolynomial algebrasteenrod algebra
spellingShingle Sum Nguyen
On the determination of the Singer transfer
Vietnam Journal of Science, Technology and Engineering
algebraic transfer
polynomial algebra
steenrod algebra
title On the determination of the Singer transfer
title_full On the determination of the Singer transfer
title_fullStr On the determination of the Singer transfer
title_full_unstemmed On the determination of the Singer transfer
title_short On the determination of the Singer transfer
title_sort on the determination of the singer transfer
topic algebraic transfer
polynomial algebra
steenrod algebra
url https://vietnamscience.vjst.vn/index.php/vjste/article/view/250
work_keys_str_mv AT sumnguyen onthedeterminationofthesingertransfer