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This is a problem proposed in the class. I hope I managed to capture its spirit. Let L 1 , L 2 sub * *
This is a problem proposed in the class. I hope I managed to capture its spirit.
Let sub where be regular languages. Consider of equal lengths if
of unequal length, after padding one of the strings to the right by s make them of equal length define
op op op : as follows. In each
case, prove or disprove that is regular.
a op is elementwise standard exclusive on ;
b op is if otherwise ie unequal elements at a position is kept and equal elements are
cancelled out.
c op is if otherwise ie only one copy is kept in case of equal elements at a position.
d op is if otherwise
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