Perhaps you should try some spelling variations:
discrete geometric » discrete geometry (Expand search), concrete geometric (Expand search), describes geometric (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate discrete » are discrete (Expand search), at discrete (Expand search), vote discrete (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), the decrease (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decrease rate discrete geometric progression ) OR ( decrease can decrease to decrease ))~.