On the nonexistence of a relation between ?-left-porosity and ?-right-porosity

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10290253" target="_blank" >RIV/00216208:11320/14:10290253 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.jmaa.2013.09.026" target="_blank" >http://dx.doi.org/10.1016/j.jmaa.2013.09.026</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jmaa.2013.09.026" target="_blank" >10.1016/j.jmaa.2013.09.026</a>

Result language
angličtina
Original language name
On the nonexistence of a relation between ?-left-porosity and ?-right-porosity
Original language description
Given an arbitrarily weak notion of left-f -porosity and an arbitrarily strong notion of right-g-porosity, we construct an example of closed subset of R which is not ?-left-f -porous and is right-g-porous. We also briefly summarize the relations betweenthree different definitions of porosity controlled by a function; we then observe that our construction gives the example for any combination of these definitions of left-porosity and right-porosity. (C) 201
Czech name
—
Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BA - General mathematics
OECD FORD branch
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Project
<a href="/en/project/GAP201%2F12%2F0290" target="_blank" >GAP201/12/0290: Topological and geometrical properties of Banach spaces and operator algebras</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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