Prefer a chat interface with context about you and your work?
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e1766" altimg="si161.svg"><mml:mi>r</mml:mi></mml:math>-hued <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e1771" altimg="si16.svg"><mml:mrow><mml:mo>(</mml:mo><mml:mi>r</mml:mi><mml:mo linebreak="goodbreak" linebreakstyle="after">+</mml:mo><mml:mn>1</mml:mn><mml:mo>)</mml:mo></mml:mrow></mml:math>-coloring of planar graphs with girth at least 8 for <mml:math xmlns:mml="http://www.…