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Vol 4 No 1
Pages:
63-64
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RUS
Research article
Articles

The zero system as a polar system in the linear prima of conoseconds

Authors:
E. S. Fedorov
Date submitted:
1911-07-25
Date accepted:
1911-09-30
Date published:
1912-01-01

Abstract

The plane passing through the polar a and the point, has as its zero point the one at which the polar intersects with the zero plane of the point A. The straight line connecting this point B with point A, like a polar, has a point on polar a as its pole, and both of these points make up conjugate pair on this polar. Each plane, simultaneously tangent to two conoseconds of such a prima, has as its polar a straight line connecting the two points of tangency. If the plane is simultaneously tangent to more than two conoseconds, then it is tangent to all conoseconds of the linear prima, which in this case have one common point of tangency with it and with each other. The zero system is polar with respect to linear primas conoseconds, just as the ordinary polar system follows from a single conosecond.

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