The phrase "abstruse matters" is correct and usable in written English.
It can be used to refer to complex or obscure topics that are difficult to understand.
Example: "The professor often delves into abstruse matters that leave many students confused."
Alternatives: "complex issues" or "obscure topics".
For an explanation of how their system worked or was supposed to work, see tonight's "Nova," which spells out somewhat abstruse matters in an admirably lucid way.
His PhD, from the University of Ohio, concerned "epistemic circularity", and it was as this was nearing completion that he started thinking about less abstruse matters - like earning money.
There was a time when media people gathered only to discuss abstruse matters of buying and selling airtime, of the finer points of research, or how to improve planning.
His scholarly interests ranged from abstruse matters such as the theoretical merits of setting a formal inflation target to historical questions, including the causes of the Great Depression.
And GP commissioners will presumably have to fit themselves into new public health set-ups and think about abstruse matters they have not bothered their minds with before.
Keen, unflinching insight into abstruse matters of the soul, and this is especially true when we are talking of a journey as singular and strange, as vehemently insular, as Cornwell's.
More distracting, however, is the occasionally imperfect English; although the reader can usually determine the author's intent, grammatical errors can make already abstruse subject matter even more difficult to comprehend.
To Rabbi Mintz, that paucity betrayed a Jewish reluctance to bring an abstruse matter of ritual observance into the realm of public policy — in the form of municipal zoning or planning boards, or city councils.
LONDON — As the land and much of the televised globe mounted the royal baby watch in London, a group of lawmakers focused on a somewhat more abstruse matter: the financial affairs of the unborn child's grandfather — Charles, the Prince of Wales, heir to the throne, ex-husband of Diana, and accused non-payer of certain taxes.
Roger Penrose in the Financial Times believed the abstruse subject matter to be "made accessible to general readers via apposite analogies" but proceeded to throw complicated doubt on Hawking's "strange-sounding philosophical standpoint of theory-dependent realism".
Disputes between Cocceian and Voetians began over abstruse theological matters, but developed into a larger political and cultural affair.
