The phrase "a topic of broad" is not correct in English as it is incomplete and lacks clarity.
It could be used in a context where you want to discuss a topic that is widely recognized or has a wide scope, but it needs to be completed for proper usage.
Example: "Climate change is a topic of broad concern among scientists and policymakers."
Alternatives: "a widely discussed topic" or "a subject of wide interest".
Mr Rinkēvičs's timing has been a topic of broad speculation in Latvia, with conspiracy theorists muttering vaguely of hidden agendas or blackmail.
Self-assembly structures investigated by using scanning tunneling microscopy (STM) at liquid/solid interface have been a topic of broad interest in surface science, molecular materials, molecular electronics.
About three weeks ago, long-held skepticism within the indigenous community over Mr. Boyden's claims of native ancestry became a topic of broad public debate after an investigative report by the Aboriginal Peoples Television Network.
The President, Historian, and Guide of our chapter, all MIT Faculty members, preside over this event, which begins with a scholarly lecture by an MIT professor on a topic of broad intellectual interest.
Given that the established structure function relationships on metal surfaces ultimately formed the basis for a predictive ability in tailor-making commercial catalysts30,31,32,33,34, study of the OER on atomically smooth complex oxide surfaces is a topic of broad scientific significance as well as enormous technological importance.
Consequently, cloud resource management for workflow execution is a topic of broad and current interest [127].
Special Topics are a collection of integrated papers on a critical topic of broad interest.
Mechanical influences on developmental and cellular properties are an important topic of broad impact in plants and animals.
For example, a topic of "dogs" is too broad for a paper.
While its meaning remains a topic of lively discussion, the broader point was clear: this was not for us.
An exhibit of this size can only scratch the surface of a topic as broad as Wagner.
