Impact Factor 2011 of Journals in Mathematical Physics

New Impact Factor 2011 has been announced.

Impact Factor 2011 of some journals closed to our International Journal of Geometric Methods in Modern Physics by subject and style is the following:

Journal Title	Impact Factor 2011	Impact Factor 2010	Impact Factor 2009	Impact Factor 2008	Impact Factor 2007	5-Year Impact Factor
COMMUN MATH PHYS	1.941	2.000	2.067	2.075	2.070	1.998
LETT MATH PHYS	1.819	0.842	0.969	0.916	1.044	1.223
J PHYS A-MATH THEOR	1.564	1.641	1.577	1.540	1.680	1.344
J MATH PHYS	1.291	1.291	1.318	1.085	1.137	1.181
REV MATH PHYS (WS)	1.213	1.290	1.190	1.258	1.386	1.032
IJGMMP (WS)	0.856	0.757	1.612	1.464	0.662	1.102
J GEOM PHYS	0.818	0.652	0.714	0.683	0.986	0.710
REP MATH PHYS	0.643	0.734	0.658	0.576	0.624	0.627

See Total List of journals in mathematical physics.

Of course, IF essentially depends on a research area. Of course, small journals of < 50 articles in a year have the advantage in IF.