## A Method of Computing Many Functions Simultaneously by Using Many Parallel Quantum Systems

**Authors:** Koji Nagata, Germano Resconi, Tadao Nakamura, Josep Batle, Soliman Abdalla, Ahmed Farouk, Han Geurdes

We suggest a method of computing many functions in the same time
by using many parallel quantum systems.
We use the Bernstein-Vazirani algorithm.
Given the set of real values $\{a_1,a_2,a_3,\ldots,a_N\}$, and
the function $g:{\bf R}\rightarrow \{0,1\}$,
we shall determine the following
values $\{g(a_1),g(a_2),g(a_3),\ldots, g(a_N)\}$ simultaneously.
By using $M$ parallel quantum systems, we can compute $M$ functions
$g^1,g^2,...,g^M$ simultaneously.
The speed of determining the $N\times M$ values will be shown
to outperform
the classical case by a factor of $N$.

**Comments:** 3 Pages. Asian Journal of Mathematics and Physics (accepted)

**Download:** **PDF**

### Submission history

[v1] 2017-04-03 01:45:44

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