Error message

Deprecated function: Optional parameter $js declared before required parameter $element is implicitly treated as a required parameter in include_once() (line 1445 of /var/www/html/mathtube.org/includes/bootstrap.inc).
Deprecated function: Optional parameter $input declared before required parameter $form_state is implicitly treated as a required parameter in include_once() (line 1445 of /var/www/html/mathtube.org/includes/bootstrap.inc).

Matt Kerr

Title	Conference	Date
Differential Equations and Algebraic Geometry - 4 (Video)	PIMS Network Courses, Differential Equations and Algebraic Geometry	Nov 5, 2021