منابع مشابه
On Four Dimensional N = 1 Type I Compactifications
We consider four dimensional N = 1 supersymmetric Type I compactifications on toroidal orbifolds T /Γ. In particular, we focus on the Type I vacua which are perturbative from the orientifold viewpoint, that is, on the compactifications with well defined world-sheet expansion. The number of such models is rather constrained. This allows us to study all such vacua. This, in particular, involves c...
متن کاملOn (n, k)-sequences
An (n; k)-sequence has been studied. A permutation a1; a2; : : : ; akn of 0; 1; : : : ; kn − 1 is an (n; k)-sequence if as+d−as 6≡ at+d−at (mod n) whenever bas+d=nc=bas=nc and bat+d=nc=bat=nc for every s; t and d with 16s¡ t¡ t+d6kn, where bxc is the integer part of x. We recall the “prime construction” of an (n; k)-sequence using a primitive root modulo p whenever kn+1=p is an odd prime. In th...
متن کاملCorrigenda/Erratum
1. Nesselmann C, Ma N, Bieback K, Wagner W, Ho A, Konttinen YT, Zhang H, Hinescu ME, Steinhoff G. Mesenchymal stem cells and cardiac repair J. Cell. Mol. Med. Vol 12, No 5B, 2008 pp. 1795–1810. 2. Roodveldt C, Christodoulou J, Dobson CM. Immunological features of (alpha sign)-synuclein in Parkinson’s disease J. Cell. Mol. Med. Vol 12, No 5B, 2008 pp. 1820–1829. Corrigenda/Erratum J. Cell. Mol. ...
متن کاملAn Improved N-dimensional NURBs-based Metamodel
Non Uniform Rational B-splines (NURBs) are proved to be very promising for metamodeling in engineering problems, because they have unique properties such as local modification scheme, strong convex hull property, and infinitely differentiability, etc. Since NURBs are defined by control points, knot vector, and weights associated with control points, the precision of NURBs is influenced by all o...
متن کاملSeven papers on fused-ring heterocyclic ketones containing an N-tosylpyrrolo[3,4-c]pyrano moiety. Corrigenda
Corrections are made to the name of an author in seven papers by Chinnakali et al. [Acta Cryst. (2007), E63, o4363, o4364, o4434-o4435, o4436-o4437, o4438, o4489-o4490 and o4491-o4492].[This corrects the article DOI: 10.1107/S1600536807050799.][This corrects the article DOI: 10.1107/S1600536807050805.][This corrects the article DOI: 10.1107/S160053680705221X.][This corrects the article DOI: 10....
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ژورنال
عنوان ژورنال: Journal of Symbolic Computation
سال: 1995
ISSN: 0747-7171
DOI: 10.1006/jsco.1995.1078