"rigorous division" is correct and usable in written English
It is used to describe when one divides something in a very precise or thorough manner and can be used in a variety of contexts. For example: "The professor required her students to apply a rigorous division of labor to their group project."
In this sense, an overly rigorous or exclusive division of labour within a research team may have a negative effect on recruitment.
Consisting of one parachute and two glider infantry regiments, with supporting troops, the division underwent rigorous training throughout 1943.
Rigorous control of cell division is essential in multicellular organisms during development to generate functional tissues and organs and in adult life to prevent tumours.
In truth, the fleshing out of Iraq's 10 division and their rigorous training scheduled for the next year could add strength to Coalition forces, perhaps enough to wage war-winning operations in Anbar province.
They were the top scholars in their class at Grant, and part of the school's GEO Academy -- a division providing a rigorous environmental science and design curriculum.
Since it is not statistically valid to test multiple divisions with corrections for multiple sampling, rigorous statistical evaluation is achieved by defining divisions in a training set and then validating them in an independent non-overlapping validation set.
A rigorous process based on the various divisions of calibration and prediction sets was performed to achieve modeling optimization with stability.
IBM Watson, which solves company-specific use cases and trains on proprietary enterprise data sets, requires daunting manual data management and rigorous training that IBM's global business services division is happy to charge large services fees to undertake.
