The phrase "complex models of" is correct and usable in written English.
You can use it when talking about complex theories, systems, or structures. For example: "This paper will discuss the complex models of economic development in the region."
Another potential pitfall is that although tree reconstruction methods include very complex models of sequence evolution, they cannot yet account for the complexity in superalignments.
There are complex models of income inequality.
All these are things which, once established, are hard to be rid of, because they reflect and help to constitute increasingly complex models of social organisation which will tend to replace more simple ones.
In addition, the rocks are full of iron, which according to complex models of the chemistry of the primordial atmosphere and oceans might be due to the activities of living beings.
In future, we plan to consider more complex models of noise and to analyze color images.
More sophisticated accounts of an economic rationale for rule-following rely on more complex models of bounded rationality.
Therefore, in the literature, there are several approaches based on increasingly complex models of the multicamera setup.
A speech recognition task has been simulated using both a simple and a complex models of CI hearing.
Dispersal functions are an important tool for integrating dispersal into complex models of population and metapopulation dynamics.
From observational astronomy--in particular, the interpretation of the data to determine what you can and can't deduce--to theoretical astronomy, building complex models of stock market interaction.
This "rock paper scissors" type of dynamics leads to winnerless competition that has been applied in a variety of more complex models of neural systems.
