# On a direct sum decomposition of the Dem'yanenko matrix

Acta Arithmetica (1996)

- Volume: 77, Issue: 1, page 71-76
- ISSN: 0065-1036

## Access Full Article

top## How to cite

topHirofumi Tsumura. "On a direct sum decomposition of the Dem'yanenko matrix." Acta Arithmetica 77.1 (1996): 71-76. <http://eudml.org/doc/206908>.

@article{HirofumiTsumura1996,

author = {Hirofumi Tsumura},

journal = {Acta Arithmetica},

keywords = {class number; imaginary abelian field; Dem'yanenko matrix; Maillet determinant; direct sum decomposition},

language = {eng},

number = {1},

pages = {71-76},

title = {On a direct sum decomposition of the Dem'yanenko matrix},

url = {http://eudml.org/doc/206908},

volume = {77},

year = {1996},

}

TY - JOUR

AU - Hirofumi Tsumura

TI - On a direct sum decomposition of the Dem'yanenko matrix

JO - Acta Arithmetica

PY - 1996

VL - 77

IS - 1

SP - 71

EP - 76

LA - eng

KW - class number; imaginary abelian field; Dem'yanenko matrix; Maillet determinant; direct sum decomposition

UR - http://eudml.org/doc/206908

ER -

## References

top- [D] K. Dohmae, Demjanenko matrix for imaginary abelian fields of odd conductors, Proc. Japan Acad. Ser. A 70 (1994), 292-294. Zbl0829.11055
- [G] K. Girstmair, The relative class numbers of imaginary cyclotomic fields of degrees 4, 6, 8 and 10, Math. Comp. 61 (1993), 881-887. Zbl0787.11046
- [S-Sch] J. W. Sands and W. Schwarz, A Demjanenko matrix for abelian fields of prime power conductor, J. Number Theory 52 (1995), 85-97. Zbl0829.11054
- [T] H. Tsumura, On Demjanenko's matrix and Maillet's determinant for imaginary abelian number fields, J. Number Theory, to appear. Zbl0866.11063
- [W] L. C. Washington, Introduction to Cyclotomic Fields, Springer, New York, 1982. Zbl0484.12001

## NotesEmbed ?

topTo embed these notes on your page include the following JavaScript code on your page where you want the notes to appear.