# Wydawnictwa / Czasopisma IMPAN / Studia Mathematica / Wszystkie zeszyty

## Besov spaces on spaces of homogeneous type and fractals

### Tom 156 / 2003

Studia Mathematica 156 (2003), 15-30 MSC: Primary 46E35; Secondary 42B35, 43A99. DOI: 10.4064/sm156-1-2

#### Streszczenie

Let ${\mit \Gamma }$ be a compact $d$-set in ${\mathbb R}^n$ with $0< d\le n$, which includes various kinds of fractals. The author shows that the Besov spaces $B^s_{pq}({\mit \Gamma })$ defined by two different and equivalent methods, namely, via traces and quarkonial decompositions in the sense of Triebel are the same spaces as those obtained by regarding ${\mit \Gamma }$ as a space of homogeneous type when $0< s< 1$, $1< p< \infty$ and $1\le q\le \infty$.

#### Autorzy

• Dachun YangDepartment of Mathematics
Beijing Normal University
Beijing 100875
People's Republic of China
e-mail

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