# Relative determinant of a bilinear module

Discussiones Mathematicae - General Algebra and Applications (2014)

- Volume: 34, Issue: 2, page 203-212
- ISSN: 1509-9415

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topPrzemysław Koprowski. "Relative determinant of a bilinear module." Discussiones Mathematicae - General Algebra and Applications 34.2 (2014): 203-212. <http://eudml.org/doc/270149>.

@article{PrzemysławKoprowski2014,

abstract = {The aim of the paper is to generalize the (ultra-classical) notion of the determinant of a bilinear form to the class of bilinear forms on projective modules without assuming that the determinant bundle of the module is free. Successively it is proved that this new definition preserves the basic properties, one expects from the determinant. As an example application, it is shown that the introduced tools can be used to significantly simplify the proof of a recent result by B. Rothkegel.},

author = {Przemysław Koprowski},

journal = {Discussiones Mathematicae - General Algebra and Applications},

keywords = {determinant; bilinear forms; projective modules},

language = {eng},

number = {2},

pages = {203-212},

title = {Relative determinant of a bilinear module},

url = {http://eudml.org/doc/270149},

volume = {34},

year = {2014},

}

TY - JOUR

AU - Przemysław Koprowski

TI - Relative determinant of a bilinear module

JO - Discussiones Mathematicae - General Algebra and Applications

PY - 2014

VL - 34

IS - 2

SP - 203

EP - 212

AB - The aim of the paper is to generalize the (ultra-classical) notion of the determinant of a bilinear form to the class of bilinear forms on projective modules without assuming that the determinant bundle of the module is free. Successively it is proved that this new definition preserves the basic properties, one expects from the determinant. As an example application, it is shown that the introduced tools can be used to significantly simplify the proof of a recent result by B. Rothkegel.

LA - eng

KW - determinant; bilinear forms; projective modules

UR - http://eudml.org/doc/270149

ER -

## References

top- [1] M. Ciemała and K. Szymiczek, On the existence of nonsingular bilinear forms on projective modules, Tatra Mt. Math. Publ. 32 (2005) 1-13. Zbl1150.11419
- [2] O. Goldman, Determinants in projective modules, Nagoya Math. J. 18 (1961) 27-36. Zbl0103.27001
- [3] M.A. Marshall, Bilinear forms and orderings on commutative rings, volume~71 of Queen's Papers in Pure and Applied Mathematics (Queen's University, Kingston, ON, 1985).
- [4] J. Milnor and D. Husemoller, Symmetric bilinear forms (Springer-Verlag, New York, 1973). Zbl0292.10016
- [5] H.P. Petersson, Polar decompositions of quaternion algebras over arbitrary rings, preprint, 2008. http://www.fernuni-hagen.de/petersson/download/polar-quat-l.pdf
- [6] B. Rothkegel, Nonsingular bilinear forms on direct sums of ideals, Math. Slovaca 63(4) (2013) 707-724. doi: 10.2478/s12175-013-0130-5. Zbl06258761
- [7] C.A. Weibel, The K-book. An introduction to algebraic K-theory. volume 145 of Graduate Studies in Mathematics (American Mathematical Society, Providence, 2013).

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