1. Due to the non-commutative nature of quantum mechanics , the training process of the quantum Boltzmann machine can become nontrivial .
2. Due to the non-commutative nature of quantum mechanics , the training process of the quantum machine - Boltzmann - machine can become non-trivial .

yes

1. The temple is maintained and was renovated around 2005 by the Archaeological Investigation of India , Bhubaneswar Circle .
2. The temple is renovated and was maintained around 2005 by the Archaeological Survey of India , Bhubaneswar Circle .

no

1. About 1838 Stephenson returned to Manchester and established himself as an historical and landscape engraver in Ridgefield , and then in a studio in St. Ann Street .
2. Around 1838 , Stephenson returned to Manchester and established himself as a historical and landscape engraver in Ridgefield and then in a studio in St. Ann Street .
yes