##  Mathematics                                                                  
- [Matrix calculus](https://en.wikipedia.org/wiki/Matrix_calculus)               
- [Small-angle approximation](https://en.wikipedia.org/wiki/Small-angle_approximation)
- [Properties of positive (semi)definite matrices](https://link.springer.com/content/pdf/bbm%3A978-0-306-47819-2%2F1.pdf)
- [Positive semidefinite cone](https://www.cse.iitk.ac.in/users/rmittal/prev_course/s14/notes/lec12.pdf)
- [Rayleigh Ritz Theorem](https://planetmath.org/rayleighritztheorem)            
- pg.79 Algebra B.L. van der Waerden - determinant of linear transformation invariant of basis
- [Multivariate Calculus](https://mathinsight.org/thread/multivar)               
- [Complex Analysis](https://complex-analysis.com/content/table_of_contents.html)
- [Principles of Mathematical Analysis Solutions (Rudin)](https://minds.wisconsin.edu/handle/1793/67009)
- [Weierstrass function](https://en.wikipedia.org/wiki/Weierstrass_function)     
- [Duality (mathematics)](https://en.wikipedia.org/wiki/Duality_(mathematics))   
- [User:Gnosticjuice/ResearchPapers](https://en.wikipedia.org/wiki/User:Gnosticjuice/ResearchPapers)
                                                                                
####  Research Papers                                                             
- [Bounding the set of quantum correlations - Miguel Navascu ́es, Stefano Pironio, and Antonio Ac ́ın](https://arxiv.org/pdf/quant-ph/0607119.pdf)
- [Consequences and Limits of Nonlocal Strategies - Richard Cleve Peter Høyer Ben Toner John Watrous](https://arxiv.org/pdf/quant-ph/0404076.pdf)
- [Empirical Two-Point Correlation Functions - Lawrence J. Landau](https://link.springer.com/content/pdf/10.1007/BF00732549.pdf)
- [Locality, Bell's Theorem, and Quantum Mechanics - Peter Rastall](https://link.springer.com/content/pdf/10.1007/BF00739036.pdf)
- [INFORMATION, PHYSICS, QUANTUM: THE SEARCH FOR LINKS - John Archibald Wheeler](https://philpapers.org/archive/WHEIPQ.pdf)

#### Tables
- [List of trigonometric identities](https://en.wikipedia.org/wiki/List_of_trigonometric_identities)
- [List of LaTeX mathematical symbols](https://oeis.org/wiki/List_of_LaTeX_mathematical_symbols)

##  Computer Science                                                             
- [Applied Mathematical Programming](http://web.mit.edu/15.053/www/AMP.htm)      
- [The Lost Art of Structure Packing](http://www.catb.org/esr/structure-packing/)