The '''Hodge star operator''' is a function important in [[differential geometry]] and [[topology]]. <ref>[http://mathworld.wolfram.com/HodgeStar.html MathWorld]</ref>
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The '''Hodge star operator''' is a function important in [[differential geometry]] and [[topology]].<ref>[http://mathworld.wolfram.com/HodgeStar.html MathWorld]</ref>