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On the theorems of Drake and Lenz |
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| Authors: | S. S. Sane |
| Affiliation: | (1) Department of Mathematics, University of Bombay, Santacruz (East), 400 029 Bombay, India |
| Abstract: | A generalization and an improvement of the results of Drake and Lenz on the constructions of projective Hjelmslev planes are obtained. Using this, some new series of invariant pairs including 4 new pairs (t, 2),t  1000, for projective Hjelmslev planes are obtained. |
| Keywords: | Primary 05B26 Secondary 50D35 |
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