New branches of the essential spectrum of a 2 × 2 operator matrix
2010 ◽
Vol 88
(2)
◽
pp. 169-182
Keyword(s):
2020 ◽
Vol 54
(2)
◽
pp. 145-148
2005 ◽
Vol 15
(05n06)
◽
pp. 1261-1272
◽
2005 ◽
Vol 7
(2)
◽
pp. 164-178
◽
2008 ◽
Vol 18
(01)
◽
pp. 219-225
◽
Keyword(s):