46B09 Probabilistic methods in Banach space theory [See also <a href="#code:60Bxx">60Bxx</a>]

46B10 Duality and reflexivity [See also <a href="#code:46A25">46A25</a>]

46B15 Summability and bases [See also <a href="#code:46A35">46A35</a>]

46B20 Geometry and structure of normed linear spaces

46B22 Radon-Nikodým, Kreĭn-Milman and related properties [See also <a href="#code:46G10">46G10</a>]

46B25 Classical Banach spaces in the general theory

46B28 Spaces of operators; tensor products; approximation properties [See also <a href="#code:46A32">46A32</a>, <a href="#code:46M05">46M05</a>, <a href="#code:47L05">47L05</a>, <a href="#code:47L20">47L20</a>]

46B40 Ordered normed spaces [See also <a href="#code:46A40">46A40</a>, 46B42]

46B42 Banach lattices [See also <a href="#code:46A40">46A40</a>, 46B40]

46B45 Banach sequence spaces [See also <a href="#code:46A45">46A45</a>]

46B50 Compactness in Banach (or normed) spaces

46B70 Interpolation between normed linear spaces [See also <a href="#code:46M35">46M35</a>]

46B80 Nonlinear classification of Banach spaces; nonlinear quotients

46B85 Embeddings of discrete metric spaces into Banach spaces; applications in topology and computer science [See also <a href="#code:05C12">05C12</a>, <a href="#code:68Rxx">68Rxx</a>]

46B99 None of the above, but in this section

46Cxx Inner product spaces and their generalizations, Hilbert spaces {For function spaces, see <a href="#code:46Exx">46Exx</a>}

46C05 Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product)

46C07 Hilbert subspaces (= operator ranges); complementation (Aronszajn, de Branges, etc.) [See also <a href="#code:46B70">46B70</a>, <a href="#code:46M35">46M35</a>]

46C15 Characterizations of Hilbert spaces

46C20 Spaces with indefinite inner product (Kreĭn spaces, Pontryagin spaces, etc.) [See also <a href="#code:47B50">47B50</a>]

46C50 Generalizations of inner products (semi-inner products, partial inner products, etc.)

46C99 None of the above, but in this section