Ruled and Quadric Surfaces Satisfying ΔIIN = ΛN
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DOI: 10.3390/sym15020300
Abstract: In the 3-dimensional Euclidean space E3, a quadric surface is either ruled or of one of the following two kinds z2=as2+bt2+c,abc≠0 or z=a2s2+b2t2,a>0,b>0. In the present paper, we investigate these three kinds of surfaces whose… read more here.
Keywords: matrix; ruled quadric; surfaces satisfying; satisfying iin ... See more keywords