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We define the notion of an additive model category and prove that any stable, additive, combinatorial model category M has a model enrichment over Sp Σ (s A b) (symmetric spectra

Merkurjev's theorem [Me1] implies that even- dimensional forms of trivial signed discriminant and Cliord invariant are exactly the forms whose Witt classes lie in I 3 F , the

KHODAIE, Solution and stability of gener- alized mixed type cubic, quadratic and additive functional equation in quasi- Banach spaces, arxiv: 0812.. GAJDA, On the stability of

One can show that if C e is a small deformation of a coassociative 4–fold C of type (a) or (b) then C e is also of type (a) or (b) and thus, Theorem 1.1 implies analogous results on

We find the criteria for the solvability of the operator equation AX − XB = C, where A, B , and C are unbounded operators, and use the result to show existence and regularity

It should be mentioned that it was recently proved by Gruji´c&Kalisch [5] a result on local well-posedness of the generalized KdV equation (KdV is an abbreviation for

Showing the compactness of Poincar´e operator and using a new generalized Gronwall’s inequality with impulse, mixed type integral operators and B-norm given by us, we

The purpose of the present work is to obtain a weighted norm Hardy-type inequality involving mixed norms which contains the above result as a special case and also provides