Research

Prior to 1987:

• mathematical theory of waves
• magnetohydrodynamic waves
• stability in astrophysics
• applied spectral theory of singular ordinary differential equations arising in mathematical physics.

Since 1987:

• mathematical biology
• mathematical modeling, especially in the context of cancer biology
• wound healing in bone

Since 2000:

• mathematical theory of meteorological optics, both pedagogically and in terms of asymptotics and special functions