1. <a href="files/Practice SS_ ko in F_2.pdf">Computation of homotopy of ko by MaySS </a>. <br>
2. <a href="files/Topological Cyclic Homology of Local Fields.pdf">Topological cyclic homology of local fields </a>. <br>
3. <a href="files/L_Q_notes.pdf">Notes on Lichtenbaum-Quillen conjecture</a>.