35Q68 PDEs in connection with computer science

35Q70 PDEs in connection with mechanics of particles and systems

35Q74 PDEs in connection with mechanics of deformable solids

35Q75 PDEs in connection with relativity and gravitational theory

35Q79 PDEs in connection with classical thermodynamics and heat transfer

35Q82 PDEs in connection with statistical mechanics

35Q85 PDEs in connection with astronomy and astrophysics

35Q86 PDEs in connection with geophysics

35Q90 PDEs in connection with mathematical programming

35Q91 PDEs in connection with game theory, economics, social and behavioral sciences

35Q92 PDEs in connection with biology and other natural sciences

35Q93 PDEs in connection with control and optimization

35Q94 PDEs in connection with information and communication

35Q99 None of the above, but in this section

35Rxx Miscellaneous topics {For equations on manifolds, see <a href="#code:58Jxx">58Jxx</a>; for manifolds of solutions, see <a href="#code:58Bxx">58Bxx</a>; for stochastic PDE, see also <a href="#code:60H15">60H15</a>}

35R01 Partial differential equations on manifolds [See also <a href="#code:32Wxx">32Wxx</a>, <a href="#code:53Cxx">53Cxx</a>, <a href="#code:58Jxx">58Jxx</a>]

35R02 Partial differential equations on graphs and networks  (ramified or polygonal spaces)

35R03 Partial differential equations on  Heisenberg groups, Lie groups, Carnot groups, etc.

35R05 Partial differential equations with discontinuous coefficients or data

35R06 Partial differential equations with measure

35R09 Integro-partial differential equations [See also <a href="#code:45Kxx">45Kxx</a>]

35R11 Fractional partial differential equations

35R12 Impulsive partial differential equations

35R13 Fuzzy partial differential equations

35R15 Partial differential equations on infinite-dimensional (e.g. function) spaces (= PDE in infinitely many variables) [See also <a href="#code:46Gxx">46Gxx</a>, <a href="#code:58D25">58D25</a>]

35R20 Partial operator-differential equations (i.e., PDE on finite-dimensional spaces for abstract space valued functions) [See also <a href="#code:34Gxx">34Gxx</a>, <a href="#code:47A50">47A50</a>, <a href="#code:47D03">47D03</a>, <a href="#code:47D06">47D06</a>, <a href="#code:47D09">47D09</a>, <a href="#code:47H20">47H20</a>, <a href="#code:47Jxx">47Jxx</a>]