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Discover LudwigThe phrase "a difficult problem in" is correct and usable in written English.
You can use it when discussing a challenging issue or topic within a specific field or context.
Example: "The researchers are currently addressing a difficult problem in climate change modeling."
Alternatives: "a challenging issue in" or "a complex problem in".
Exact(48)
Delay estimation is a difficult problem in computer networks.
However, calculating the adsorption gas content is a difficult problem in logging.
A difficult problem in Lima has been that of matching the urban infrastructure to the city's growth rate.
Exactly how to use this information is a difficult problem in which individual judgment plays an important part.
As already noted, logical empiricism faced a difficult problem in distinguishing between genuine laws and accidental generalizations.
DG allocation is a hot area of research and represents a difficult problem in electrical power engineering.
Similar(12)
Multiobjective control design is known to be a difficult problem both in theory and practice.
A difficult problem encountered in highway tunnel construction is groundwater.
> When trying to predict TF DNA interactions using models of DNA binding specificity, a difficult problem arises in the case of paralogous TFs (i.e. TFs that belong to the same protein family).
This is a difficult problem to solve in that it is often an ill-defined problem.
He readmitted King Lothar II of Lorraine to communion, but Lothar's early death (869) created a difficult problem of succession in which Adrian ineffectually intervened.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com