Hiroshima Mathematical Journal

On non-commutative extensions of $\widehat{\G}_a$ by $\widehat{\Gg}^{(M)}$\\ over an ${\F}_p$-algebra

Victor Anandam and Ibtesam Bajunaid

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Abstract

Potential theory on a Cartier tree $T$ is developed on the lines of the classical and the axiomatic theories on harmonic spaces. The harmonic classifications of such trees are considered; the notion of a subordinate structure on $T$ is introduced to consider more generally the potential theory on $T$ associated with the Schrödinger equation $\Delta u\left( x\right) =Q\left(x\right) u\left( x\right) ,Q\left( x\right) \geq 0$ on $T$; polysuperharmonic functions and polypotentials on $T$ are defined and a Riesz-Martin representation for positive polysuperharmonic functions is obtained.

Article information

Source
Hiroshima Math. J., Volume 37, Number 2 (2007), 277-314.

Dates
First available in Project Euclid: 24 August 2007

Permanent link to this document
https://projecteuclid.org/euclid.hmj/1187916321

Digital Object Identifier
doi:10.32917/hmj/1187916321

Mathematical Reviews number (MathSciNet)
MR2345370

Subjects
Primary: 31C20: Discrete potential theory and numerical methods 31D05: Axiomatic potential theory

Keywords
Potential theory on a Cartier tree subordinate structure polypotentials

Citation

Anandam, Victor; Bajunaid, Ibtesam. On non-commutative extensions of $\widehat{\G}_a$ by $\widehat{\Gg}^{(M)}$\\ over an ${\F}_p$-algebra. Hiroshima Math. J. 37 (2007), no. 2, 277--314. doi:10.32917/hmj/1187916321. https://projecteuclid.org/euclid.hmj/1187916321


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