A Boundary Value Problem $y^{''} + xy = 0, x \in [a, b]$
45319
Properties of $y$ if $\frac{d^2y}{dx^2}+xy=0$, $x \in [a,b],$ and $y(a)=y(b)=0.$
35066
Nature and number of solutions to $xy=x+y$
139419
Problem on the domain of the solution of a differential equation
141795
Solve the second order ODE $(2x^2 + 1)y'' − 4xy' + 4y = 0$
58083
what can I say about the solution $y(x)$ of the ODE?
52620
Solve the pde $u_t(x,t)=u_{xx}(x,t)-bu(x,t)+q(t)$ for $u(x,t)$
124300
$\lambda-z-e^{-z}=0$ has one solution in the right half plane
110854
Heat conduction problem with boundary at $\infty$
65077
Differential Equations, unique solution
103230
Find the general solution of $4u_{xx}+5u_{xy}+u_{yy}+u_x+u_y=2$
154829
How to solve $y'' + y = y^{-3}$
115033
Find the solution of the pde $xu_y-yu_x=u$.
35751
Is There a Problem with This Professor's Proof Concerning Interior and Boundary Points?
127329
A problem about wave equation
6937
General solution to the PDE $xU_x+yU_y=0$
88971
An approximate eigenvalue for $ T \in B(X) $.
62816
Proof that ODE solutions with Wronskian identically zero are linearly dependent