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A Comment on Jones Inclusions with infinite Index [PDF]

open access: yesReviews in Mathematical Physics, 1994
Given an irreducible inclusion of infinite von-Neumann-algebras $\cn \subset \cm$ together with a conditional expectation $ E : \cm \rightarrow \cm $ such that the inclusion has depth 2, we show quite explicitely how $\cn $ can be viewed as the fixed ...
Nill, Florian, Wiesbrock, Hans-Werner
core   +2 more sources

The Riemann problem on a ray for generalized analytic functions with a singular line [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2023
In this paper, we study an inhomogeneous Riemann boundary value problem with a finite index and a boundary condition on a ray for a generalized Cauchy – Riemann equation with a singular coefficient.
Shabalin, Pavel Leonidovich   +1 more
doaj   +1 more source

Hilbert boundary value problem for generalized analytic functions with a singular line [PDF]

open access: yesE3S Web of Conferences, 2021
In this paper, we study an inhomogeneous Hilbert boundary value problem with a finite index and a boundary condition on a circle for a generalized Cauchy-Riemann equation with a singular coefficient.
Shabalin Pavel, Faizov Rafael
doaj   +1 more source

Infinite measure preserving flows with infinite ergodic index [PDF]

open access: yesColloquium Mathematicum, 2009
We construct a rank-one infinite measure preserving flow (Tr)r∈R such that for each p > 0, the ‘diagonal’ flow (Tr × · · · × Tr } {{ } p times )r∈R on the product space ...
Alexandre I. Danilenko, Anton V. Solomko
openaire   +1 more source

Groups in which Every Subgroup of Infinite Rank is Nearly Permutable [PDF]

open access: yesAdvances in Group Theory and Applications, 2017
In this paper, the structure of locally finite groups of infinite rank whose subgroups of infinite rank have finite index in a permutable subgroup is investigated.
A.V. De Luca, R. Ialenti
doaj   +1 more source

The Distinguishing Index of Infinite Graphs [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2015
The  distinguishing index $D^\prime(G)$ of a graph $G$ is the least cardinal $d$ such that $G$ has an edge colouring with $d$ colours that is only preserved by the trivial automorphism. This is similar to the notion of the distinguishing number $D(G)$ of a graph $G$, which is defined with respect to vertex colourings.We derive several bounds for ...
Broere, Izak, Pilsniak, Monika
openaire   +2 more sources

On the Graovac-Pisanski index [PDF]

open access: yesKragujevac Journal of Science, 2017
The Graovac-Pisanski index (GP index) is an algebraic approach for generalizing the Wiener index. In this paper, we compute the difference between the Wiener and GP indices for an infinite family of polyhedral graphs.
Hakimi-Nezhaad Mardjan   +1 more
doaj   +1 more source

Enlargeability and index theory: infinite covers [PDF]

open access: yesK-Theory, 2007
14 pages, comma in author field added, to appear in K ...
Hanke, Bernhard, Schick, Thomas
openaire   +3 more sources

Hamilton Connectivity of Convex Polytopes with Applications to Their Detour Index

open access: yesComplexity, 2021
A connected graph is called Hamilton-connected if there exists a Hamiltonian path between any pair of its vertices. Determining whether a graph is Hamilton-connected is an NP-complete problem.
Sakander Hayat   +3 more
doaj   +1 more source

A Note on a necessary condition for optimality [PDF]

open access: yesModeling, Identification and Control, 1990
A necessary condition is derived for the optimality of a linear multivariable feedback control system with respect to a quadratic performance index of infinite settling time.
David Di Ruscio
doaj   +1 more source

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