Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Finite Element Method for a Space-Fractional Anti-Diffusive Equation   The numerical solution of a nonlinear and space-fractional anti-diffusive
equation used to model dune morphodynamics is considered. Spatial
discretization is effected using a finite element method whereas the
Crank-Nicolson scheme is used for temporal discretization. The fully discrete
scheme is analyzed to determine stability condition and also to obtain error
estimates for the approximate solution. Numerical examples are presented to
illustrate convergence results.

5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
7
The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph
24
The categories of this paper are: dg-ga
25
The categories of this paper are: patt-sol
30
The categories of this paper are: q-alg
19
The categories of this paper are: eess
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
20
The categories of this paper are: acc-phys