Warsaw discs and semicomputability (CROSBI ID 251080)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Iljazović, Zvonko ; Pažek, Bojan
engleski
Warsaw discs and semicomputability
We examine conditions under which a semicomputable set in a computable metric space is computable. Topology plays an important role in the description of such conditions. Motivated by the known result that a semicomputable cell is computable if its boundary sphere is computable, we investigate semicomputable Warsaw discs and their boundary Warsaw circles. We prove that a semicomputable Warsaw disc is computable if its boundary Warsaw circle is semicomputable.
Computable metric space ; Computable set ; Semicomputable set ; Warsaw circleWarsaw disc
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Podaci o izdanju
239
2018.
308-323
objavljeno
0166-8641
1879-3207
10.1016/j.topol.2018.02.014
Povezanost rada
Matematika, Računarstvo