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J. William Helton

Identifiers

  • name variant J. William Helton 0.60 · backfill

Papers (40)

  1. Free bianalytic maps between spectrahedra and spectraballs in a generic setting math.FA · 2017 · author #2
  2. Geometry of free loci and factorization of noncommutative polynomials math.RA · 2017 · author #1
  3. Extreme points of matrix convex sets, free spectrahedra and dilation theory math.OA · 2016 · author #2
  4. Circular Free Spectrahedra math.OA · 2016 · author #2
  5. Bianalytic Maps Between Free Spectrahedra math.FA · 2016 · author #2
  6. Non-commutative polynomials with convex level slices math.FA · 2015 · author #2
  7. Applications of Realizations (aka Linearizations) to Free Probability math.OA · 2015 · author #1
  8. Convex entire noncommutative functions are polynomials of degree two or less math.FA · 2015 · author #1
  9. Dilations, Linear Matrix Inequalities, the Matrix Cube Problem and Beta Distributions math.FA · 2014 · author #1
  10. The Tracial Hahn-Banach Theorem, Polar Duals, Matrix Convex Sets, and Projections of Free Spectrahedra math.OA · 2014 · author #1
  11. Matrix Convex Hulls of Free Semialgebraic Sets math.FA · 2013 · author #1
  12. Noncommutative polynomials nonnegative on a variety intersect a convex set math.FA · 2013 · author #1
  13. Free Semidefinite Representation of Matrix Power Functions math.OC · 2013 · author #1
  14. Free Convex Algebraic Geometry math.FA · 2013 · author #1
  15. Real Nullstellensatze and *-ideals in *-algebras math.FA · 2013 · author #2
  16. Free convex sets defined by rational expressions have LMI representations math.FA · 2012 · author #1
  17. On real one-sided ideals in a free algebra math.RA · 2012 · author #2
  18. Free analysis, convexity and LMI domains math.FA · 2012 · author #1
  19. Non-commutative varieties with curvature having bounded signature math.FA · 2012 · author #2
  20. Semidefinite programming in matrix unknowns which are dimension free math.OA · 2011 · author #1
  21. A Semidefinite Approach for Truncated K-Moment Problems math.FA · 2011 · author #1
  22. The possible shapes of numerical ranges math.FA · 2011 · author #1
  23. The convex Positivstellensatz in a free algebra math.RA · 2011 · author #1
  24. Noncommutative Plurisubharmonic Polynomials Part I: Global Assumptions math.OA · 2010 · author #2
  25. Proper Analytic Free Maps math.FA · 2010 · author #1
  26. The matricial relaxation of a linear matrix inequality math.OA · 2010 · author #1
  27. Non-Commutative Harmonic and Subharmonic Polynomials math.FA · 2009 · author #1
  28. Analytic mappings between noncommutative pencil balls math.OA · 2009 · author #1
  29. Sign patterns for chemical reaction networks math.DS · 2009 · author #1
  30. Classification of All Noncommutative Polynomials Whose Hessian Has Negative Signature One and A Noncommutative Second Fundamental Form math.FA · 2009 · author #3
  31. Noncommutative ball maps math.OA · 2008 · author #1
  32. Non-Commutative Partial Matrix Convexity math.FA · 2008 · author #2
  33. Determinant Expansions of Signed Matrices and of Certain Jacobians math.RA · 2008 · author #1
  34. Structured Semidefinite Representation of Some Convex Sets math.OC · 2008 · author #1
  35. Homotopy methods for counting reaction network equilibria math.DS · 2007 · author #2
  36. Sufficient and Necessary Conditions for Semidefinite Representability of Convex Hulls and Sets math.OC · 2007 · author #1
  37. Semidefinite Representation of Convex Sets math.OC · 2007 · author #1
  38. Operator-valued semicircular elements: Solving a quadratic matrix equation with positivity constraints math.OA · 2007 · author #1
  39. Measures with zeros in the inverse of their moment matrix math.PR · 2007 · author #1
  40. Linear Matrix Inequality Representation of Sets math.OC · 2003 · author #1

Mentions

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  • 0804.0633 #2 · backfill · confidence 0.70 J. William Helton
  • 0802.4319 #1 · backfill · confidence 0.70 J. William Helton
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  • 0711.1552 #2 · backfill · confidence 0.70 J. William Helton
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  • 0705.4068 #1 · backfill · confidence 0.70 J. William Helton

Frequent Coauthors