Robert Israel's user avatar
Robert Israel's user avatar
Robert Israel's user avatar
Robert Israel
  • Member for 13 years
  • Last seen this week
3 votes
Accepted

Symmetric function

3 votes
Accepted

Extension of power bounded operators over a finite subspace

3 votes
Accepted

approximating functions pointwise

3 votes

Natural numbers that cannot be expressed as a difference between a square and a prime?

3 votes

When is there a solution to these coupled eigenvalue equations?

3 votes
Accepted

Analytic solution of a system of linear, hyperbolic, first order, partial differential equations

3 votes
Accepted

What is the most ``diverse'' $k$-subset of $[0, 1]^m$?

3 votes
Accepted

What does this ODE have to do with the associated Legendre polynomials?

3 votes

Densely-defined unbounded operators with large support

3 votes
Accepted

Matrix $A$ such that for all matrices $B$ the product $AB$ has a row with not a single zero

3 votes

seeking reference on a theorem about sufficient conditions for an entire function with real coefficients to have only real zeros

3 votes
Accepted

Longest sequence of sum of distinct squares

3 votes
Accepted

Unbounded convex not containing a ray - example without using a basis

3 votes

Inequality for the tail of normal distribution function

3 votes

Algorithm to find the “optimal” path in a given graph

3 votes

Distribution of a random walk on a directed line

3 votes
Accepted

Constructing a transition matrix of a time-homogeneous, finite Markov chain with full support stationary distribution

3 votes
Accepted

The relation between eigenvalue and singular value of non-symmetric square matrix

3 votes

Precompactness of a sequence of convex functions

3 votes

Upper and lower limits

3 votes
Accepted

Limiting Ratio of Solutions to Ordinary Differential Equations

3 votes

Estimating a sum

3 votes

Finite series with reciprocal factorials

3 votes

Efficient computation of null space of large symbolic matrices?

3 votes

Certain inverse problem related to moments

3 votes

Infinite sum of asymptotic expansions

3 votes
Accepted

Linear independence of +/- 1 strings/vectors II

3 votes

How can two random variables are continuous infers that their jointly random variable is continuous

3 votes
Accepted

Are there examples of functions in $L_1$ and $L_\infty$ whose Fourier series divergent ("weakly")?

3 votes
Accepted

How can I find the maximum value of this function?

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