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Friezes of different types of symmetry on this vase: in particular, we see a frieze with a...
From the point of view of topology, this key is a surface of genus 1 (or a torus), that ca...
Look at your radiator: what does it represent from the point of view of topology? In other...
From the topological point of view, this chair represents a surface of genus 8, that can b...
From the topological point of view, this chair represents a surface of genus 1 (a torus), ...
At the centre of this carpet a scheme with symmetry of type 22×; the frame is decorated w...
Three parallel friezes on the floor of this house: at the centre there's a frieze of type ...
