Problem: (1) The Riemann Zeta function is defined by the absolutely convergent infinite row for complex '' s '' with real part larger than 1 .
(2) The Riemann zeta function is defined for complex '' s '' with real part greater than 1 by the absolutely convergent infinite series

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) When combined for joint or coalition operations , it was known as a joint or employed air operating centre for coalition operations .
(2) When combined for joint or coalition operations , it was known as a joint or employed air operations center for coalition operations .

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) The company was then acquired the St. Louis and Cairo Railroad , the narrow gauge .
(2) The company acquired the St. Louis and Cairo Railroad , which was narrow gauge .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) Kabir Suman recorded several albums under the name of Suman Chattopaddhyay or Suman Chatterjee between 1992 and 1999 .
(2) Suman Chatterjee recorded several albums under the name of Suman Chattopaddhyay or Kabir Suman between 1992 and 1999 .

Do (1) and (2) mean the same thing?
A:
no