<p>A math lover :)</p>
<p><strong>Resource for calculus</strong>
<a href="https://math.stackexchange.com/questions/901622/single-variable-calculus-reference-recommendations/901623#901623">https://math.stackexchange.com/questions/901622/single-variable-calculus-reference-recommendations/901623#901623</a></p>
<p><strong>All time favourite:</strong></p>
<p><a href="https://astronomy.stackexchange.com/questions/36810/mathematical-analysis-of-blackhole">https://astronomy.stackexchange.com/questions/36810/mathematical-analysis-of-blackhole</a></p>
<p><a href="https://physics.stackexchange.com/questions/304799/definition-of-the-spacetime-interval">https://physics.stackexchange.com/questions/304799/definition-of-the-spacetime-interval</a></p>
<p><a href="https://physics.stackexchange.com/questions/2166/is-time-travel-possible-is-it-possible-to-go-back-in-time">https://physics.stackexchange.com/questions/2166/is-time-travel-possible-is-it-possible-to-go-back-in-time</a></p>
<p><strong>The discussion on which I have certainly fell in love:</strong>
<a href="https://astronomy.stackexchange.com/questions/2240/what-is-a-singularity-what-is-at-the-center-of-a-black-hole-specifically-regar?rq=1">https://astronomy.stackexchange.com/questions/2240/what-is-a-singularity-what-is-at-the-center-of-a-black-hole-specifically-regar?rq=1</a></p>
<p><strong>One of my favourite questions:</strong>
<a href="https://math.stackexchange.com/questions/3716935/number-of-ways-to-select-the-election-dates/3716948#3716948">https://math.stackexchange.com/questions/3716935/number-of-ways-to-select-the-election-dates/3716948#3716948</a></p>
<p><strong>One of my useful questions:</strong>
<a href="https://math.stackexchange.com/questions/3726741/find-the-value-of-a-02-a-12a-22-dotsa-2-n2">https://math.stackexchange.com/questions/3726741/find-the-value-of-a-02-a-12a-22-dotsa-2-n2</a></p>
<p><a href="https://math.stackexchange.com/questions/1374204/how-to-show-that-a-polynomial-does-not-have-real-roots">https://math.stackexchange.com/questions/1374204/how-to-show-that-a-polynomial-does-not-have-real-roots</a></p>

Amartya