Creating a community around my research book
Instead of getting the community to approach you, I suggest that you be the one to approach the community.  As an amateur (one who is outside the academic mathematical community), you are at a big disadvantage.

I recommend that you attend conferences and interact with others who are doing work similar to yours.  In my opinion, the best way to get attention is to present papers in good conferences and to publish papers in respectable journals.  By doing this, your reputation will improve and your work will be better known.