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Errata for

Jacobi Operators
and
Completely Integrable Nonlinear Lattices

Gerald Teschl

Note: Due to some changes in AMS-LaTeX, the page numbers of the printed and the online version are not exactely the same!
  1. p342, Ref. [232]: "pPapers" should read "Papers"
  2. p118, Thm 7.3(ii): the square from $\Delta(z)^2$ should be removed
  3. p116, (7.7): $M(z,n_0)$ should be replaced by $M(z,n_0)^{-1}$
  4. p22, (1.136): should read l.h.s. = - r.h.s. = - r.h.s.
  5. p25, (1.154): should read l.h.s. = - r.h.s.
  6. p147, proof of Lemma 8.15: "(8.81) and (8.81)" should read "(8.78) and (8.81)"
  7. p150, (8.108): a factor $4a(n)^2$ is missing on the r.h.s.
  8. p158, line after (9.39): a factor $\mathbb{R}$ should read $\mathbb{R}^g$
  9. p. 295: lines after (A.122): $E_{\ell-1}$ should read $E_{2\ell-1}$ and $E_{\ell}$ should read $E_{2\ell}$
  10. p285, line after (A.79): "picture on page 2" should read "picture on page 275"
  11. p248, first line: "cart" should read "chart"
  12. p158, paragraph after (9.41) : replace $E_1, E_2, E_3$ by $E_0, E_1, E_2$, respectivley
  13. p131, two lines before (7.114): replace "(2.124)" by "(2.131)"
  14. p131, (7.114): $U_i(\lambda,m)$ should read $\overline{U_i(\lambda,m)}$. Similarly in the following line and in (7.115)
  15. p71, (3.85): The square around the sum is missing
  16. p128, Thm 7.11: In the last statement $H_p$ should be replaced by $H$
  17. p47, (2.153): a factor $1/\pi$ is missing on the r.h.s.
  18. p127, (7.86): $\lim_{n\to \infty}$ should read $\lim_{n\to \pm\infty}$
  19. p127, (7.87): the sign in front of the sum must be switched from $\mp$ to $\pm$
  20. p183, (10.116): $k_\ell^{....+\ell}$ must be changed to $k_\ell^{....+j}$ in both lines
  21. p183, (10.117): the upper limit $\infty$ in the first sum is missing
  22. p171, (10.32): The sign of the sum must be changed.
  23. p172, second line: $f_\pm(k,n) = k^{\mp n} (....)$ should read $f_\pm(k,n) = k^{\pm n} (....)$
  24. p172, (10.33): the constant terms $\frac{1}{2}\alpha(k)$ respectively $\frac{1}{2 k^2}\alpha(k)$ must be switched. Moreover it should read $m\to-\infty$ in the first and $n\to+\infty$ in the second line.
  25. p172, (10.34): The sign of the sum must be changed.
  26. p174, line after (10.50): |W(...)|/2 should read 2|W(...)|
  27. p58, Thm 3.2: the last sentence should read "The spectrum of $H_+$ is simple."
  28. p185, (11.1): there is a minus missing on the r.h.s (both times)
  29. p188, (11.23): there is a minus missing on the r.h.s
  30. p99, first line after the proof of Lemma 5.18: the second Weyl $m$-function should have a minus sign instead of a plus sign in the subscript
  31. p118, (7.29) should read $\phi_\pm(z,n)=$ and not $\phi_\pm(z,n_0)=$
  32. p250, (13.71): a $1/2$ is missing in the exponential
  33. p250, (13.72): in the formula for $\gam_\pm$ the 2 in the exponential should be deleted and the signs reversed
  34. p251, (13.76): the norm should be squared
  35. p179, Thm 10.10: the proof for the claim that $\mathcal{F}$ is trace class is wrong
  36. p293, Lem A.20: the definition of $\tilde{D}$ must be changed if $p$ is a branch point: $\tilde{D}(p)= \lfloor\frac{D(p)+1}{2}\rfloor$
  37. p267, Thm 14.13: the TL after (14.86) should read TLr. Similarly in Thm 14.14 after (14.88)
  38. p264, (14.66)-(14.68): $\tau_{+\infty,-\infty}$ should be $\omega_{\infty_+,\infty_-}$
  39. p194, (11.59)-(11.61),(11.66): $\tau_{\infty_+,\infty_-}$ should be $\omega_{\infty_+,\infty_-}$
  40. p195, line after (11.67): $2[...] \in J(M)$ should read $2[...] = [0]$
  41. p232, last line in the paragraph afterafter (12.68) should read $R_{2r+2}(z)= Q_{r-s}(z)^2 R_{2s+2}(z)$
  42. p233, last line in Corollary 12.10 should read $R_{2r+2}(z)= Q_{r-s}(z)^2 R_{2s+2}(z)$
  43. p252, line after (13.83): the reference (7.30) should point to (6.26)
  44. p254, (13.99): the plus signs inside sn(...) should be a minus sign
  45. p159, (9.43): it should be $\tilde{a}^{-1}=...$
  46. p247, (13.51): $\tilde{f}_{s-\ell}(n,t)$ should read $\tilde{g}_{s-\ell}(n,t)$
  47. p175, (10.61): $\cos(m \mathrm{E}^{\mathrm{i} \varphi}$ should read $\cos(m \varphi)$
  48. p254, (13.96): $(E_1-E_3)$ should read $(E_3-E_1)$
  49. p247, (13.47): in the second line $\hat{G}_s(z,0,x) R^{1/2}_{2g+2}(p) H_{g+1}(z,0,x)$ should read $\hat{G}_s(z,0,x) (R^{1/2}_{2g+2}(p) + H_{g+1}(z,0,x))$
  50. p251, (13.77): the 2 in the exponential should be deleted
  51. p258, (14.23): In the last recursion it should read $G_j^{++}$ instead of $G_j^{+}$ and $(\rho^{-} \rho^{--})^2$ instead of $(\rho^{-} \rho)^2$
  52. p259, (14.32): the $\rho_e^2$ should be a $\rho_o^2$
  53. p294, (A.119) and (A.120): in the first line $\underline{c}(n)$ should read $\underline{c}(j)$
  54. p223, (12.2): a factor $1/2$ is missing on the r.h.s.
  55. p154, 2 lines after (9.10): $\phi(p,n) - \beta$ should read $\phi(p,n) + \beta$
  56. p67, (3.57): $u(m)$ should read $|u(m)|^2$
  57. p62, (3.32): delete the absolute values
  58. p97, (5.68): replace λ one the left of the equality by z and change the sign of the sum
Disclaimer. Last modified 24-08-2017.
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