One fundamental question in biology is what constitutes the basic type of the animal body plan and how did all the more complex forms, including that of humans, evolve from it. At the simplest level, ...

To examine the spatial structure of the Ryoanji garden, we computed local axes of symmetry using medial-axis transformation 2,3, a shape-representation scheme that is used widely in image processing ...

Is there a term for the shape shown above: a smooth, continuous curve with three axes of symmetry? And if anyone could share the equation for this curve, I would be very grateful. The plate appears to ...

IN this elementary text-book the information is given mainly in the form of a series of definitions, and is not easy to follow, even with some previous knowledge of the subject. A beginner, especially ...