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pro vyhledávání: '"Lucy H. Odom"'
Publikováno v:
The Mathematical Intelligencer. 39:51-56
Publikováno v:
Analele Universitatii "Ovidius" Constanta - Seria Matematica. 23:121-132
An elementary property of the helicoid is that at every point of the surface the following condition holds: cot θ = C · d; where d is the distance between an arbitrary point to the helicoid axis, and θ is the angle between the normal and the helic
Publikováno v:
Taiwanese J. Math. 17, no. 3 (2013), 885-895
The spread of a matrix has been introduced by Mirsky in 1956. The classical theory provides an upper bound for the spread of the shape operator in terms of the second fundamental form of a hypersurface in the Euclidean space. In the present work, we