3-NIRVANA-user-guide/3.2-User-interfaces.md

@@ -1822,7 +1822,7 @@ The user must return the refinement control parameter `level`
 (initialized to 0) for the vicinity of the testpoint (`x`,`y`,`z`). A
 return value `level`=0 has no effect on mesh refinement. A
 return value `level`=−1 prohibits mesh refinement. A return
-value `level` > 0 forces mesh refinement up to refinement
+value `level`>0 forces mesh refinement up to refinement
 level `level` with the limitation `level`≤`_C.amr`
 where code parameter `_C.amr` is the maximum allowed mesh refinement
 level specified by the user in the parameter interface `nirvana.par`
@@ -2018,31 +2018,31 @@ values (given in brackets).
 
 -   `PSI` (\[0.5,1\]): parameter in multi-d limiter
 
--   `MAXLEVEL` ( < 128): maximum refinement level
+-   `MAXLEVEL` (<128): maximum refinement level
 
 -   `MG_ITMAX`: maximum number of iterations allowed in the multigrid
     solver
 
 -   `MG_TYPE` (MULT): used type of multigrid solver
 
--   `MG_TOL` (typical: 10<sup> − 6</sup>): error tolerance in the
+-   `MG_TOL` (typical: 10<sup>−6</sup>): error tolerance in the
     multigrid solver
 
--   `RKL_COURANT_EXPL` ( &lt; 0.5): explicit Courant number used in the
+-   `RKL_COURANT_EXPL` (&lt;0.5): explicit Courant number used in the
     RKL solver
 
--   `RKL_MAX_COURANT` (typical:  &lt; 1000): maximum Courant-like number
+-   `RKL_MAX_COURANT` (typical: &lt;1000): maximum Courant-like number
     allowed in the RKL solver
 
 -   `RKL_DT_LIM`: RKL-related timestep limit as fraction of the
     dynamical timestep
 
--   `HEATLOSS_TOL` (typical: 10<sup> − 5</sup>): relative error
+-   `HEATLOSS_TOL` (typical: 10<sup>−5</sup>): relative error
     tolerance in heatloss solver
 
 -   `HEATLOSS_ATOL`: absolute error tolerance in heatloss solver
 
--   `REACTIONS_TOL` (typical: 10<sup> − 5</sup>): relative error
+-   `REACTIONS_TOL` (typical: 10<sup>−5</sup>): relative error
     tolerance in NCCM solver
 
 -   `REACTIONS_ATOL_X`: absolute error tolerance for number densities in