Some corrections from Bhupendra Nath Tiwari. Elliptic Curves p.31 (4.2) where g^{\star}(X,Y,Z)= ... One see easily that ... One sees easily that ... p.49 (Isogenies) Two elliptic curves... Thus a regular map \verphi: E -> E^{\prime} is an asigeny if \verphi(O)= O^{\prime} and \verphi (k^{al}): E^{al} -> E^{al} is surjective. ---> Thus a regular map \verphi: E -> E^{\prime} is an asigeny if \verphi(O)= O^{\prime} and \verphi (k^{al}): E^{al} -> E^{\prime}^{al} is surjective. p.66 (5.8) We now begin ... After Proposition 4.2, ... ---> After corrolary 4.2, ... p.73 (6.2) ... has an inverse image the curve Y^2X^2= X^3 + a X , ... ---> Y^2X^2= X^3 + \alpha X , ... p.89 (The notion of a Riemann surface) Let X be a connected ... to be equivalent if the their union is also a coordinate covering ... ---> to be equivalent if their union is also a coordinate covering ... p.97 (3.17 PROOF) On eliminating $\alpha$ from between the two equations, we find that c \tau^2+ (d-a)\tau + b=0 -----> c \tau^2+ (d-a)\tau -b =0 p.97 (3.17 PROOF) ... On eliminating $\tau$ from between the two equations, we find that \alpha^2 -(a+d)\alpha +bc=0 ----> \alpha^2 -(a+d)\alpha +ad- bc=0 p.120 (4.2 PROOF) It remains to show that max (| ac |, | ad + bc |, | bd |) \ge ½ (max( | a |, | b |) (max( | c | | d |) ---> max (| ac |, | ad + bc |, | bd |) \ge ½ (max( | a |, | b |) (max( | c |, | d |)) p.128 (5.4) (b) ... that the Pontryagin dual of this sequence is an exact sequence: ... In this sequence, the \prod_{p, \infty} H^1(Q_p,E)---> \prod_{p= 2, \infty} H^1(Q_p,E) p.134 A morphism ... is simply a map A-sets. We ... ---> is simply a map of A-sets. We ... p.134 (Twist of elliptic curves) Recall (Theorem 2.1, Chap. I) that E(a,b) and ... ---> Recall (Theorem 2.1, Chap. II) that E(a,b) and ... p.135 (7.12) In order to be able to apply... We apply Theorem 2.1, Chap. I in the case (a^{\prime}, b^{\prime}) = (a, b). ---> We apply Theorem 2.1, Chap. II in the case (a^{\prime}, b^{\prime}) = (a, b). p.141 (Curves of genus 1) Let \sigma \in \Gamma. ... Now (see 2.3) there is a curve E_0.. ---> Now (see 2.3, Chap. II) there is a curve E_0 ... p.149 (9.2 PROOF) ... is surjective (4.23). In particular, there exists a ... ---> ... is surjective (4.23, Chap. I). In particular, there exists a ... p.170 (Spha\ere Packing) Let E be a constant elliptic curve ... then part (a) of Theorem 11.2 gives us r, ... ---> then part (a) of Proposition 11.1 gives us r, ... p.171 (11.4 PROOF) Since all \alpha_i and \omega_j equal -q, if follows from (11.2a) that ... ---> it follows from (11.1a) that ... p.174 (1.1) For example, .. whose in inverse C^{\times} -> C/Z is ... ---> whose inverse in C^{\times} -> C/Z is ... p.193. (3.7 PROOF) From the theorem, we know that ... of \Delta, and it will be follow from the ... ---> of \Delta, and it will follow from the ... p.195. (4.1 PROOF) then (\alpha \verphi) (x: y:z) = (P(x^p, y^p, z^p), ...) and (\verphi \alpha) (x: y:z) = (P(x, y, z)^p, ...) ---> (\alpha \verphi) (x: y:z) = (P(x^p, y^p, z^p): ...) and (\verphi \alpha) (x: y:z) = (P(x, y, z)^p: ...) (in the rhs of these Eqns, the , in outer brackets should be :) p.199 (4.7) The maps T(n) have the having the following properties: ---> The maps T(n) have the following properties: p.212 where both are defined. ... One can check that it also holomorphic at the point at infinity. ---> One can check that it is also holomorphic at the point at infinity. p.215 Now suppose X is a... over an field k. Weil showed ... ---> over a field k. Weil showed ... p.219 When i \ne 0, ... ... where \tilde{E}_i/ \tilde{E}/S_i and ... ---> ... where \tilde{E}_i= \tilde{E}/S_i and ... General: Some places you need to replace df by def, or add in the list of notation: def=df.