Columbia subject headings:
Black holes (Astronomy)--Mathematical models.
Condensed matter physics--Mathematics.
Quantum gravity--Mathematical models.
Harvard subject headings:
Black holes (Astronomy)--Mathematical models.
Condensed matter physics--Mathematics.
Quantum gravity--Mathematical models.
Princeton subject headings:
Black holes (Astronomy)--Mathematical models.
Condensed matter physics--Mathematics.
Quantum gravity--Mathematical models.