Writing Hard Problems
61745
How do people come up with difficult math Olympiad questions?
155713
Book recommendation for analysis problems
109515
Solving word search puzzles
104390
How can we rewrite this optimization problem in standard form?
71261
Factoring a hard polynomial
84890
Extremising a functional with conditions
133935
Challenges with Key with Gaps?
67249
Can you determine a formula for this problem?
151052
Dealing with Norm, Complex situation not desired
57167
A hard problem on exponential integration
35820
How to write like old mathematical papers
120280
Book for proof writing
14773
Finding distinct solutions for the equation
45204
Combinatorial proofs: having a difficult time understanding how to write them out
143573
Problem (1.8) A Path to Combinatorics Solution Verification.
143424
Sequence problem involving inequalities
124787
How to find a real solution