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On injective rational coefficient systems

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Abstract

LetG be a finite group. By a rational coefficient system forG we mean a contravariant functor from the category of canonical orbits ofG andG-maps into the category of ℚ-vector spaces. In this paper we study injective objects in the category of rational coefficient systems forG.

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  1. Instytut Matematyki, Uniwersytet im. A. Mickiewicza, Matejki 48/49, 60-769, Poznań, Poland

    R. Doman

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  1. R. Doman
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Doman, R. On injective rational coefficient systems. Monatshefte für Mathematik 106, 171–178 (1988). https://doi.org/10.1007/BF01318679

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  • DOI: https://doi.org/10.1007/BF01318679

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