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3 votes
1 answer
132 views

Reversible gates

Is it possible to make any gate reversible merely by retaining the input bits in the output and introducing ancilla bits as necessary? That is, given an irreversible gate with $k$ inputs and $l$ ...
abcdefg's user avatar
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13 votes
4 answers
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If quantum computation is reversible, what is the point of Grover's search algorithm?

Wikipedia et al say the following about Grover's algorithm: Although the purpose of Grover's algorithm is usually described as “searching a database”, it may be more accurate to describe it as “...
Chris Pacejo's user avatar