robot trajectory calculation and planning

Hi everybody. I am looking for some sources (on-line and free) where to get information about state-of-the-art algorithms for (optimal or
suboptimal) robot trajectory calculation and planning. Any suggestion?
Many thanks. Fabio
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.