The phrase "and the second concerns" is correct and usable in written English.
It can be used to introduce a second point or topic in a discussion or argument.
Example: "The first issue addresses the budget, and the second concerns the timeline for project completion."
Alternatives: "and the second relates to" or "and the second deals with".
And the second concerns proof analysis, a highly important part of Hilbert's work on Euclidean geometry and geometrical systems generally.
And the second concerns the improvement of the law of damage accumulation by explicitly considering the damage evolution during the fatigue process.
Two special cases are discussed: the first involves the coupled resonances of degenerate bulk waves, and the second concerns quasi-degenerate resonances which give rise to pairs of dispersion branches with a quasilinear positive and negative onset.
The first set of issues concerns the divine ground of modality and the second concerns the grounding relation that modality bears to its ground (for some recent discussions, see Chignell 2012 and Newlands 2013).
The first is the belief found in some quarters of Kant scholarship that he abandoned the postulate of immortality in the 1790s, and the second concerns Kant's conception of the afterlife and its relationship to his Pietist upbringing.
But, even today it appears necessary to stand back and ask two basic questions: the first concerns the relations of culture and situation to language as the object of enquiry in the science of linguistics, and the second concerns the positioning of context in systemic functional linguistic theory.
The first category concerns the relation between people and language; the second concerns the relation between language and the world.
The first concept concerns integrated design-based safety and security; the second concerns the collaboration of several chemical plants to increase sustainable development of their activities and their environment.
We took two classification contexts into account: the first concerned the comparison of CSF and UFM for CDS/intron classification and the second concerned the implementation of UFM in an algorithm that is compatible with ab initio gene-finding.
Beginning in the last quarter of the 20th century, analytic philosophy was occupied with two vigorous debates, the first concerning the theory of reference and the second concerning the theory of mind.
And the second concerning human reactions to a discovery like this: reactions which indicate what we have developed into internally - in our heads, if you like.
