Does the differential equation either have a unique, infinitely many or no solutions?
69911
Does non-uniqueness of solution to 1st order ODE implies the existence of infinitely many solutions?
82137
Given a, b How many solutions exists for x, such that: $a \bmod{x}=b $
23465
When $f(x+1)-f(x)=f'(x)$, what are the solutions for $f(x)$?
16946
How many solutions for an equation with simple restrictions
33315
Many other solutions of the Cauchy's Functional Equation
54500
Is the continuity of a vector field enough for the existence of the solution of a differential equation?
65077
Differential Equations, unique solution
149794
Differential equation with resonance
76508
Differential Equations: solve the system
14656
The differential equation $xu_{x}+yu_{y}=2u$ satisfying the initial condition $y=xg(x),u=f(x)$
62816
Proof that ODE solutions with Wronskian identically zero are linearly dependent
97204
Is there a unique solution for this quadratic matrix equation?
29096
Non-uniqueness of solutions of the heat equation
14517
Existence of solutions of the equation with a limit.
61359
Set of Linear equation has no solution or unique solution or infinite solution?
72872
Number of zeroes of solution to $y''(x)+e^{x^2}y(x)=0$ in $[0,3π]$
142866
4 Bugs chasing each other differential equation