## Abstract In mathematics, various representations of real numbers have been investigated. All these representations are mathematically equivalent because they lead to the same real structure – Dedekind‐complete ordered field. Even the effective versions of these representations are equivalent in
On primitive abundant numbers
✍ Scribed by Harold N. Shapiro
- Publisher
- John Wiley and Sons
- Year
- 1968
- Tongue
- English
- Weight
- 270 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0010-3640
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## Abstract In this paper we either prove the non‐existence or give explicit construction of primitive symmetric (__v, k__, __λ__) designs with __v__=__p__^__m__^<2500, __p__ prime and __m__>1. The method of design construction is based on an automorphism group action; non‐existence results additio
In this paper we give a complete description of primitive Jordan algebras over fields of characteristic not two in the spirit of E. I. Zel'manov's classification of prime Jordan algebras (1983, Siberian Math. J. 24, No. 1, 73-85). We also prove that associative tight envelopes of special primitive J