Invisibility in billiards is impossible in an infinite number of directions
We show that the maximum number of directions of invisibility in a planar billiard defined in the exterior of a piecewise smooth body is at most finite.
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| Format: | article |
| Language: | eng |
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2020
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| Online Access: | http://hdl.handle.net/10773/25923 |
| Country: | Portugal |
| Oai: | oai:ria.ua.pt:10773/25923 |