Nginx config to map single page in Wordpress onto its own domain

gistfile1.txt

rewrite ^([^.]*[^/])$ $1/ permanent;

location ~* \.(css|js|eot|ttf|ttc|otf|woff|woff2)$ {
  add_header Access-Control-Allow-Origin *;
}

location /mathematics/ {
    try_files $uri $uri/ /index.php?$query_string;
}

location /wp-content/ {
    try_files $uri $uri/ /index.php?$query_string;
}

location / {
    proxy_pass http://mathematics.localhost/mathematics/;
}