A note on closure properties of the classes of sets accepted by tape-bounded two-dimensional turing machines
1978 ◽
Vol 15
(2)
◽
pp. 143-158
◽
1997 ◽
Vol 11
(07)
◽
pp. 1023-1024
1999 ◽
Vol 115
(1-4)
◽
pp. 61-81
◽
1997 ◽
Vol 11
(07)
◽
pp. 1025-1050
◽
1979 ◽
Vol 18
(3)
◽
pp. 247-265
◽
2013 ◽
Vol 24
(06)
◽
pp. 863-878
◽
Keyword(s):
Keyword(s):
1992 ◽
Vol 06
(02n03)
◽
pp. 211-225
◽
2003 ◽
Vol 12
◽
pp. 360-371
1999 ◽
Vol 13
(04)
◽
pp. 523-538
◽