structure theorems # general    20E34  
structure theory   06B05  
structure theory   06E05  
structure theory   08A05  
structure theory   11T30  
structure theory   17A60  
structure theory   17B05  
structure theory   17C10  
structure theory   47A65  
structure theory # characterization and    62E10  
structure theory # characterization and    62H05  
structure theory # general    20M10  
structure, canonical formalism, Cauchy problems) # Einstein's equations (general    83C05  
structure, classification of commutative topological algebras   46J40  
structure, classification of topological algebras   46H20  
structure, classification theorems   13C05  
structure; Euclidean algorithm; greatest common divisors # multiplicative    11A05  
structured objects in a category (group objects, etc.)   18D35  
structured programming   005.113  
structured surfaces and interfaces, coexistent phases   74A50  
structures # algebraic    08Axx  
structures # associated Lie    20F40  
structures # asymptotic results on counting functions for algebraic and topological    11N45  
structures # basic properties of first-order languages and    03C07  
structures # combinatorial complexity of geometric    52C45  
structures # data    005.73  
structures # data    68P05  
structures # deformations of    58H15  
structures # deformations of analytic    32Gxx  
structures # deformations of complex    32G05  
structures # deformations of special (e.g. CR)    32G07  
structures # denumerable    03C15  
structures # differentiable    57R55  
structures # exceptional Jordan    17C40  
structures # finite    03C13  
structures # finite geometry and special incidence    51Exx  
structures # finite-dimensional    17C55  
structures # Fredholm    58B15  
structures # fuzzy algebraic    08A72  
structures # G$-   53C10  
structures # geometric order    51Lxx  
structures # groups as automorphisms of other    22F50  
structures # Hermitian and K\"ahlerian    53B35  
structures # homology and homotopy of topological groups and related    57Txx  
structures # identities and free Jordan    17C05  
structures # Jordan structures associated with other    17C50  
structures # lattices and related    03G10  
structures # moduli problems for differential geometric    58D27  
structures # moduli problems for topological    58D29  
structures # ordered    06Fxx  
structures # other finite incidence    51E30  
structures # other Turing degree    03D28  
structures # probability theory on algebraic and topological    60Bxx  
structures # relations with infinite-dimensional Lie algebras and other algebraic    37K30  
structures # rigidity and flexibility of    52C25  
structures # spaces with richer    54Exx  
structures # summability in abstract    40J05  
structures # super    17C70  
structures # syntopogeneous    54A15  
structures # topological linear incidence    51H10  
structures # topological linear spaces and related    46Axx  
structures # topological nonlinear incidence    51H15  
structures # variation of Hodge    14D07  
structures (associative, Jordan, etc.) # Lie (super)algebras associated with other    17B60  
structures (Riemannian, Finsler, etc.) # relations with special manifold    58J60  
structures (Spencer, Gelfand - Fuks, etc.) # cohomology of classifying spaces for pseudogroup    58H10  
structures and generalizations # proximity    54E05  
structures and generalizations # uniform    54E15  
structures and generalizations on infinite-dimensional manifolds # group    58B25  
structures and spaces   514.224  
structures associated with other structures # Jordan    17C50  
structures imbeddable into projective geometries # incidence    51A45  
structures in finite projective spaces # combinatorial    51E20  
structures of moduli spaces # symplectic    53D30  
structures on Banach spaces and algebras # Jordan    17C65  
structures on low-dimensional manifolds # geometric    57M50  
structures on manifolds # geometric    57N16  
structures on manifolds (almost complex, almost product structures, etc.) # general geometric    53C15  
structures on manifolds (spin manifolds, framed manifolds, etc.) # specialized    57R15  
structures on manifolds, Donaldson and Seiberg - Witten invariants # applications of global analysis to    57R57  
structures with parallelism   51A15  
structures, $CR$ operators, and generalizations # CR$    32V05  
structures, applications # connections with other    54Hxx  
structures, etc.) # ordered geometries (ordered incidence    51G05  
structures, isols # recursive equivalence types of sets and    03D50  
structures, symmetries, variational principles, conservation laws # Hamiltonian    37K05  
structures; Mackey convergence, etc. # bornologies and related    46A17  
structures; o-minimality # model theory of ordered    03C64  
student learning and thinking (misconceptions, cognitive development, problem solving, etc.)   97C30  
students competitions, examination questions # problem books;    97U40  
studies # bibliographic    01A90  
studies # case-oriented    90B90  
studies # experimental    91A90  
studies on mathematics education # comparative    97D10  
Sturm - Liouville theory   34B24  
SU-cobordism) # complex cobordism (U- and    57R77  
sub)algebras in algebras with involution # nonselfadjoint (   46K50  
sub-Riemannian geometry   53C17  
subalgebras   46J30  
subalgebras # ideals and    46H10  
subalgebras, congruence relations   08A30  
subanalytic sets # semi-analytic sets and    32B20  
subatomic particles # specific kinds of    539.721  
subbundles of the tangent bundles) # vector distributions (   58A30  
subdirect irreducibility # subdirect products and    08B26  
subdirect products and subdirect irreducibility   08B26  
subdivisions # standard    530.0309  
subdivisions # xxxx standard    532.003006  
subdivisions # xxxx standard    532.008009  
subdivisions of spectral regions xxxx # standard    535.0101  
subdivisions xxxx # standard    534.2001  
subdomains of Euclidean space # complex manifolds as    32Q35  
subelliptic equations   35H20  
subfactors and their classification   46L37  
subfields of solid mechanics # special    74Lxx  
subgroup chains # other classes of groups defined by    20F22  
subgroup growth # subgroup theorems;    20E07  
subgroup problems # congruence    19B37  
subgroup theorems; subgroup growth   20E07  
subgroups   20K27  
subgroups # maximal    20E28  
subgroups # products of    20D40  
subgroups # series and lattices of    20D30  
subgroups # subnormal    20D35  
subgroups (Frattini, Fitting, etc.) # special    20D25  
subgroups of Lie groups # discrete    22E40  
subgroups of symmetric groups   20B35  
subgroups, subnormal subgroups # chains and lattices of    20E15  
subgroups, Sylow properties, $\pi$-groups, $\pi$-structure # Sylow    20D20  
subject analysis and control   025.4  
subject cataloging   024.47  
subject indexing   024.48  
subjects # automated information storage and retrieval systems devoted to specific disciplines and    025.06  
subjects # classification of specific disciplines and    024.46  
subjects # physiology and related    571  
subjects # special    005.304  
subjects of computer graphics # special    006.69  
subjects or in specific disciplines # bibliographies and catalogs of works on specific    016  
submanifolds # analytic subsets and    32C25  
submanifolds # critical points and critical    57R70  
submanifolds # global    53C40  
submanifolds # local    53B25  
submanifolds # neighborhoods of    57N40  
submanifolds # realizing cycles by    57R95  
submanifolds and subspaces # deformations of    32G10  
submanifolds in complex manifolds # real    32V40  
submanifolds; Maslov index # Lagrangian    53D12  
submodules, ideals, subrings, etc.; coherence # chain conditions on other classes of    16P70  
subnormal operators, hyponormal operators, etc.   47B20  
subnormal subgroups   20D35  
subschemes # cycles and    14Cxx  
subsets and submanifolds # analytic    32C25  
subsets of affine space # analytic    32B15  
subsets, representatives, permutations) # combinatorial choice problems (   05A05  
subsonic flow   533.273  
subsonic flows # general aerodynamics and    76G25  
subsonic vibrations   534.52  
subspaces   54B05  
subspaces # configurations of linear    14N20  
subspaces # deformations of submanifolds and    32G10  
subspaces # invariant    47A15  
subspaces # lattices of    51D25  
subspaces, integrals along chains, etc. # chains (nests) of projections or of invariant    47A46  
subspaces; complementation (Aronszajn, de_Branges, # Hilbert    46C07  
substances and their characteristics phenomena # magnetic    538.4  
substructural logics # linear logic and other    03F52  
substructural logics (including relevance, entailment, linear logic, Lambek calculus, BCK and BCI logics)   03B47  
subsystems of classical logic (including intuitionistic logic)   03B20  
subtraction   513.212  
subvarieties   14K12  
success runs   519.84  
successive approximations # methods of    49Mxx  
successive quadratic programming type # methods of    90C55  
sufficiency and information   62Bxx  
sufficient conditions for optimality # necessary conditions and    49Kxx  
sufficient statistics and fields   62B05  
summability   42B08  
summability # absolute and strong    40F05  
summability # direct theorems on    40Dxx  
summability # functional analytic methods in    40H05  
summability # special methods of    40Gxx  
summability and absolute summability of Fourier and trigonometric series   42A24  
summability and bases   46A35  
summability and bases   46B15  
summability and bounded fields of methods   40D20  
summability factors # convergence factors and    40D15  
summability fields # structure of    40D09  
summability in abstract structures   40J05  
summability methods # general    40Cxx  
summability methods on groups, semigroups, etc.   43A55  
summability of Fourier and trigonometric series # summability and absolute    42A24  
summability properties (nuclear spaces, Schwartz spaces, Montel spaces, etc.) # spaces determined by compactness or    46A11  
summands: Goldie type conditions # chain conditions on annihilators and    16P60  
summation of series   65B10  
summation of series, etc.) # approximation to limiting values (   40A25  
sums # estimates on character    11L40  
sums # estimates on exponential    11L07  
sums # exponential    11T23  
sums # exponential sums and character    11Lxx  
sums # Jacobsthal and Brewer sums; other complete character    11L10  
sums # other character sums and Gauss    11T24  
sums # Weyl    11L15  
sums and character sums # exponential    11Lxx  
sums and Gauss sums # other character    11T24  
sums of fractions # rational numbers as    11D68  
sums of independent random variables; random walks   60G50  
sums of squares (formally real fields, Pythagorean fields, etc.) # fields related with    12D15  
sums of squares and representations by other particular quadratic forms   11E25  
sums over arbitrary intervals   11L26  
sums over primes   11L20  
sums, direct products, etc. # direct    20K25  
sums, general # trigonometric and exponential    11L03  
sums, series and integrals # inequalities for    26D15  
sums; generalizations # Gauss and Kloosterman    11L05  
sums; other complete character sums # Jacobsthal and Brewer    11L10  
sunspot effects   538.746  
super structures   17C70  
super'' (or ``skew'') structure   16W55  
super)algebras # cohomology of Lie (   17B56  
super)algebras # color Lie (   17B75  
super)algebras # exceptional (   17B25  
super)algebras # graded Lie (   17B70  
super)algebras # homological methods in Lie (   17B55  
super)algebras # identities, free Lie (   17B01  
super)algebras # infinite-dimensional Lie (   17B65  
super)algebras # modular Lie (   17B50  
super)algebras # solvable, nilpotent (   17B30  
super)algebras (roots) # simple, semisimple, reductive (   17B20  
super)algebras associated with other structures (associative, Jordan, etc.) # Lie (   17B60  
superaccelerators   539.736  
superalgebras   17A70  
superalgebras # Lie algebras and Lie    17Bxx  
supercomputers # digital    004.11  
supercomputers # digital    004.611  
supercomputers # for digital    005.21  
supercomputers # for digital    005.31  
superconductivity   537.623  
superconductors   82D55  
superfluids   82D50  
superfluids (classical aspects)   76A25  
supergeometry # complex    32C11  
supergravity   530.1423  
supergravity   83E50  
supermanifolds and graded manifolds   58A50  
supermanifolds or graded manifolds # analysis on    58C50  
supermanifolds) or graded spaces # functional analysis on superspaces (   46S60  
superposed on large) # equations linearized about a deformed state (small deformations    74B15  
superposition of functions # representation and    26B40  
superposition, Hammerstein, Nemytski\u\i, Uryson, etc.) # particular nonlinear operators (   47H30  
supersonic flow   533.275  
supersonic flows   76J20  
superspaces (supermanifolds) or graded spaces # functional analysis on    46S60  
superstring theories # string and    83E30  
superstring theories; other extended objects (e.g., branes) # string and    81T30  
superstring theory   539.7258  
supersymmetric field theories   81T60  
supersymmetric quantum mechanics   81Q60  
supervarieties   14M30  
surface # motion of a rigid body in contact with a solid    70E18  
surface and hypersurface singularities   32S25  
surface chemistry   541.33  
surface designs # response    62K20  
surface physics   530.417  
surface physics   530.427  
surface tension) # capillarity (   76B45  
surface tension) # capillarity (   76D45  
surface theory (convex surfaces \`a la A.D._Aleksandrov) # global    53C45  
surface waves   74J15  
surfaces # classification theory of Riemann    30F20  
surfaces # compact    32J15  
surfaces # differentials on Riemann    30F30  
surfaces # elliptic    14J27  
surfaces # flows on    37E35  
surfaces # geometry of orders of    51L20  
surfaces # harmonic functions on Riemann    30F15  
surfaces # Hilbert and Hilbert - Siegel modular groups and their modular and automorphic forms; Hilbert modular    11F41  
surfaces # homeomorphism and diffeomorphisms of plane and    37E30  
surfaces # K3$ surfaces and Enriques    14J28  
surfaces # Klein    30F50  
surfaces # minimal    49Q05  
surfaces # optimization of shapes other than minimal    49Q10  
surfaces # rational and ruled    14J26  
surfaces # Riemann    30Fxx  
surfaces # special    14J25  
surfaces (Donaldson polynomials, Seiberg - Witten invariants) # topology of    14J80  
surfaces (problems in two independent variables) # applications to minimal    58E12  
surfaces \`a la A.D._Aleksandrov) # global surface theory (convex    53C45  
surfaces and Enriques surfaces # K3$    14J28  
surfaces and higher-dimensional varieties   14Jxx  
surfaces and higher-dimensional varieties # automorphisms of    14J50  
surfaces and higher-dimensional varieties, and their moduli # vector bundles on    14J60  
surfaces and interfaces, coexistent phases # structured    74A50  
surfaces and uniformization # compact Riemann    30F10  
surfaces in Euclidean $n$-space # higher-dimension and higher-codimension    53A07  
surfaces in Euclidean space   53A05  
surfaces of general type   14J29  
surfaces on projective and affine planes # curves and    516.352  
surfaces) # computer aided design (modeling of curves and    65D17  
surfaces, etc., wild embeddings # wild knots and    57M30