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EMBEDDINGS OF SOME CLASSICAL BANACH SPACES INTO MODULATION SPACES
Besov space modulation space Sobolev space short-time Fourier transform Triebel-Lizorkin space time-frequency analysis
2015/12/10
We give sufficient conditions for a tempered distribution to belong to certain modulation spaces by showing embeddings of some Besov-TriebelLizorkin spaces into modulation spaces. As aconsequence we h...
Holomorphic families of non-equivalent embeddings and of holomorphic group actions on affine space
Holomorphic families of non-equivalent embeddings holomorphic group affine space
2010/11/19
We construct holomorphic families of proper holomorphic embeddings of $\C^k$ into $\C^n$ ($0different parameters in the family no holomorphic automorphism of $\C^n$ can ...
Partial Rigidity of CR Embeddings of Real Hypersurfaces into Hyperquadrics with Small Signature Difference
Partial Rigidity Real Hypersurfaces Signature Difference
2010/11/11
We study the rigidity of holomorphic mappings from a neighborhood of a Levi-nondegenerate CR hypersurface $M$ with signature $l$ into a hyperquadric $Q_{l'}^{N} \subseteq \mathbb{CP}^{N+1}$ of larger ...
Length Functions for Semigroup Embeddings
Membership problem Word problem Embeddings of Semigroups
2010/12/6
Following the work done in [O] for groups, we describe, for a given semigroup S, which functions l : S → N can be realized up to equivalence as length functions g 7→ |g|H by embedding S into a finitel...
A Note on Integral Inequalities and Embeddings of Besov Spaces
Integral Inequalities GRR-lemma Besov spaces Embeddings
2008/7/3
It is shown that certain known integral inequalities imply directly a well-known embedding theorem of Besov spaces.
The strong embedding conjecture states that any 2-connected graph has a strong embedding on some surface. It implies the circuit double cover conjecture: Any 2-connected graph has a circuit double cov...