Zhang, D. (2004) An elementary proof that the length of X-1(4)+X-2(4)+X-3(4)+X-4(4) is 4. JOURNAL OF PURE AND APPLIED ALGEBRA, 193 (1-3). pp. 307-311. ISSN 0022-4049,
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An elementary proof is given, to show that the quartic form X-1(4) + X-2(4) + X-3(4) + X-4(4) cannot be written as a sum of three squares of real quadratic forms. (C) 2004 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ; |
| Subjects: | 500 Science > 510 Mathematics |
| Divisions: | Mathematics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 28 Jun 2021 06:51 |
| Last Modified: | 28 Jun 2021 06:51 |
| URI: | https://pred.uni-regensburg.de/id/eprint/37142 |
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