What about:

$AoA2[0] = [ @{ $AoA1[0] } ];

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Dereference first element of @AoA1 as an array; create a new reference to an anonymous array containing the result of the dereferenced array, and assign that new reference as first element of @AoA2.

In reply to Re^3: accessing element of array of arrays by linuxer
in thread accessing element of array of arrays by perlqs

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