how can i remove Weblog title in another page : seo

Hello
please tell me how can i remove Weblog title in another page
for example i writh in Weblog title ( Welcome to my site )
but if i writh new post with this title name ( Hollywood )
& go to ( Hollywood ), the my page title get ( Hollywood – Welcome to my site )
i want show Weblog title as ( welcome to my site )
only in home page
& i don’t like show Weblog title in another page
please guide me
thank you