hardness of the problem

[vivekk....@nitp.ac.in]

Hi,

I have a question about what is happening in this video at 00:17:27 -

http://www.youtube.com/watch?v=WrVmsvINMME#t=1047s.

What does it mean for the hardness of the problem that for one parameter FPT exists whereas for other parameter FPT does not exist?.

Thanks!

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