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On the 4-power stufe of a field |
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| Authors: | J C Parnami M K Agrawal A R Rajwade |
| Institution: | 1. Department of Mathematics, Panjab University, 160014, Chandigarh |
| Abstract: | Define the 4-powers 4 (k) of a fieldk to be the least positive integers for which the equation ?1=a 1 4 +…+a s 4 is solvable ink (if at all). We determines 4 (k) whenk is a Galois field and prove some results abouts 4 (k) whenk is an imaginary quadratic field. |
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