Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Leveraging Chaos for Wave-Based Analog Computation: Demonstration with
  Indoor Wireless Communication Signals   In sight of fundamental thermal limits on further substantial performance
improvements of modern digital computational processing units, wave-based
analog computation is becoming an enticing alternative. A wave, as it
propagates through a carefully tailored medium, performs the desired
computational operation. Yet, the necessary designs are so intricate that
experimental demonstrations will necessitate further technological advances.
Here, we show that, counterintuitively, the carefully tailored medium can be
replaced with a random medium, subject to an appropriate shaping of the
incident wave front. Using tunable metasurface reflect-arrays, we demonstrate
our concept experimentally in a chaotic microwave cavity. We conclude that
off-the-shelf wireless communication infrastructure in combination with a
simple reflect-array suffices to perform analog computation with Wi-Fi waves
reverberating in a room.

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The categories of this paper are: acc-phys
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The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph
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The categories of this paper are: q-fin
11
The categories of this paper are: hep-lat
16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
4
The categories of this paper are: cond-mat
9
The categories of this paper are: nlin
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph
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The categories of this paper are: solv-int
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The categories of this paper are: econ
15
The categories of this paper are: nucl-ex