I don't know enough about the quantum module to know what sorts of
automatic evaluation would be expected, but this looks like it is a
bug. Can you open an issue on the issue tracker about it
https://github.com/sympy/sympy/issues/new
Aaron Meurer
On Mon, Jun 29, 2020 at 11:28 AM Michele Cotrufo
<michelecotr...@gmail.com> wrote:
>
> It worked, thanks!
>
> On Sunday, June 28, 2020 at 3:17:15 PM UTC-4, Oscar wrote:
>>
>> Hi Michele,
>>
>> I don't know the quantum module so well but does qapply work in this case?
>>
>> Oscar
>>
>> On Sat, 27 Jun 2020 at 19:52, Michele Cotrufo <michele...@gmail.com> wrote:
>> >
>> > Is there a way to specify that the identity operator must act as identity
>> > also on the adjoint operators?
>> >
>> > from sympy.physics.quantum.dagger import Dagger
>> > from sympy.physics.quantum.operator import Operator
>> > from sympy.physics.quantum import IdentityOperator
>> > A = Operators('A')
>> > Identity = IdentityOperator()
>> > A * Identity #This gives A, correctly
>> > B = Dagger(A)
>> > B * Identity #This returns A^\dagger I . so it does not remove the
>> > identity operator
>> >
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