PlanetMath (more info)
 Math for the people, by the people. Sponsor PlanetMath
Encyclopedia | Requests | Forums | Docs | Wiki | Random | RSS  
Login
create new user
name:
pass:
forget your password?
Main Menu
sections
Encyclopædia
Papers
Books
Expositions

meta
Requests (236)
Orphanage
Unclass'd (1)
Unproven (540)
Corrections (47)
Classification

talkback
Polls
Forums
Feedback
Bug Reports

downloads
Snapshots
PM Book

information
News
Docs
Wiki
ChangeLog
TODO List
Copyright
About
PlanetMath Encyclopedia
You can also browse by: subject | popularity | latest modified | latest added
0 - 5 entries
1 - 13 entries
2 - 21 entries
3 - 9 entries
4 - 5 entries
5 - 4 entries
6 - 2 entries
9 - 2 entries
A - 1166 entries
B - 695 entries
C - 2325 entries
D - 974 entries
E - 948 entries
F - 856 entries
G - 687 entries
H - 737 entries
I - 925 entries
J - 178 entries
K - 249 entries
L - 1001 entries
M - 907 entries
N - 638 entries
O - 458 entries
P - 1518 entries
Q - 323 entries
$\mathbb{Q}$ (=rational number) owned by djao
QAT (=quantum operator algebras in quantum field theories) owned by bci1
q-binomial coefficients (=Gaussian polynomials) owned by mathcam
QCD (in quantum chromodynamics (QCD)) owned by bci1
QCD (=quantum chromodynamics (QCD)) owned by bci1
QDS (in categories and supercategories in relational biology) owned by bci1
Q.E.D (=QED) owned by mathwizard
QED owned by mathwizard
QED (=mathematical foundations of quantum field theories) owned by bci1
Q.E.D (=quantum electrodynamics) owned by bci1
QEF (in geometric constructions by Euclid) owned by pahio
Q.E.F. (in geometric constructions by Euclid) owned by pahio
QFT (=mathematical foundations of quantum field theories) owned by bci1
QFT (=quantum operator algebras in quantum field theories) owned by bci1
Q holding bay 47 owned by PrimeFan
proof that Q is the prime subfield of any field of characteristic 0 owned by CWoo
QM (in Hamiltonian operator) owned by bci1
QOA (in weak Hopf algebra) owned by bci1
QOA (in quantum operator algebras in quantum field theories) owned by bci1
QOA (=quantum operator algebras in quantum field theories) owned by bci1
QOA (in compact quantum groupoids related to C*-algebras) owned by bci1
QR-decomposition (=QR decomposition) owned by akrowne
QR decomposition owned by akrowne
QR-factorization (=QR decomposition) owned by akrowne
QR factorization (=QR decomposition) owned by akrowne
q skew derivation owned by antizeus
$q$ skew polynomial ring owned by antizeus
QST (=quantum space-times) owned by bci1
QST (in quantum space-times) owned by bci1
quadrant owned by Mathprof
quadratic algebra owned by CWoo
quadratically closed (in quadratic closure) owned by CWoo
quadratic character of 2 owned by mathcam
quadratic closure owned by CWoo
quadratic congruence (in quadratic congruence) owned by pahio
quadratic congruence owned by pahio
quadratic convergence owned by Koro
quadratic covariation (in quadratic variation) owned by gel
quadratic curves owned by pahio
quadratic equation (=quadratic equation in $\mathbb{C}$) owned by pahio
quadratic equation in $\mathbb{C}$ owned by pahio
quadratic extension owned by CWoo
quadratic field (in number field) owned by alozano
quadratic fields that are not isomorphic owned by Wkbj79
quadratic form owned by CWoo
quadratic formula owned by yark
derivation of quadratic formula owned by mathcam
quadratic function associated with a linear functional owned by drini
quadratic ideal (in quadratic Jordan algebra) owned by Algeboy
quadratic imaginary field (=imaginary quadratic field) owned by pahio
quadratic imaginary norm-Euclidean number fields owned by pahio
quadratic imaginary number field (=imaginary quadratic field) owned by pahio
quadratic inequality owned by pahio
quadratic integers (=integral basis of quadratic field) owned by pahio
quadratic Jordan algebra (in quadratic Jordan algebra) owned by Algeboy
quadratic Jordan algebra owned by Algeboy
quadratic Julia set owned by PrimeFan
quadratic Lie algebra (in quadratic Lie algebra) owned by benjaminfjones
quadratic Lie algebra owned by benjaminfjones
quadratic map (in quadratic map) owned by Algeboy
quadratic map owned by Algeboy
quadratic mean (=root-mean-square) owned by pbruin
quadratic non-residue (in quadratic residue) owned by mathcam
quadratic nonresidue (in quadratic residue) owned by mathcam
quadratic number field (in number field) owned by alozano
quadratic reciprocity (=quadratic reciprocity rule) owned by alozano
quadratic reciprocity for polynomials owned by djao
quadratic reciprocity rule owned by alozano
proof of quadratic reciprocity rule owned by mathcam
quadratic residue owned by mathcam
quadratic resolvent owned by pahio
quadratic resolvent equation (=quadratic resolvent) owned by pahio
quadratic sieve owned by patrickwonders
quadratic space owned by CWoo
quadratic surfaces owned by pahio
quadratic unit (=units of quadratic fields) owned by pahio
quadratic variation owned by gel
quadratic variation of a semimartingale owned by gel
quadratic variation of Brownian motion owned by gel
quadratrix owned by pahio
quadratrix of Dinostratus (=quadratrix) owned by pahio
quadratrix of Hippias (=quadratrix) owned by pahio
quadrature owned by rspuzio
quadrilateral owned by drini
quadruplet (in ordered tuplet) owned by rspuzio
qualitative biodynamics (in organismic supercategories and super-complex systems biodynamics) owned by bci1
qualitative biodynamics (in general system definitions) owned by bci1
qualitative dynamics (in categories and supercategories in relational biology) owned by bci1
qualitative dynamics (in organismic supercategories and super-complex systems biodynamics) owned by bci1
qualitative dynamics (in general system definitions) owned by bci1
qualitative dynamics of systems (in organismic supercategories and super-complex systems biodynamics) owned by bci1
qualitative dynamics of systems (in general system definitions) owned by bci1
qualitative variable (in data types in statistics) owned by CWoo
quandles owned by StevieHair
quantale owned by CWoo
quantale homomorphism (in quantale) owned by CWoo
quantifier owned by CWoo
quantifier algebra owned by CWoo
quantifier elimination (in quantifier free) owned by mathcam
example of quantifier owned by hkkass
quantifier free owned by mathcam
quantifier-free formula (in atomic formula) owned by CWoo
quantifier free formula (in quantifier free) owned by mathcam
quantifier free formula (=atomic formula) owned by CWoo
quantisation (=quantization) owned by bci1
quantitative variable (in data types in statistics) owned by CWoo
quantization owned by bci1
quantized locally compact groupoids with left Haar measure (=quantum groupoids) owned by bci1
quantized locally compact groupoids with left Haar measure (=compact quantum groupoids related to C*-algebras) owned by bci1
quantizing spacetime problems in quantum gravity theories (in space-time quantization problems in quantum gravity theories) owned by bci1
quantum algebraic topology object (=category of quantum automata) owned by bci1
quantum algebraic topology topics owned by bci1
quantum algebroid (=Hamiltonian algebroids) owned by bci1
quantum automata and computation owned by bci1
quantum automaton (in quantum automata and computation) owned by bci1
quantum automaton (in category of quantum automata) owned by bci1
quantum category (=quantum topos) owned by bci1
quantum category owned by bci1
quantum category objects (in quantum category) owned by bci1
quantum category with Haar measures (in quantum category) owned by bci1
quantum chromodynamics (QCD) owned by bci1
quantum compact groupoid (in compact quantum groupoids related to C*-algebras) owned by bci1
quantum compact groupoids (=compact quantum groupoids related to C*-algebras) owned by bci1
quantum computer (=category of quantum automata) owned by bci1
quantum computers (in quantum automata and computation) owned by bci1
quantum double (in weak Hopf algebra) owned by bci1
quantum electrodynamics owned by bci1
quantum field state on a tetrahedron (in quantum field state on the tetrahedron) owned by bci1
quantum field state on the tetrahedron owned by bci1
quantum field theories (=mathematical foundations of quantum field theories) owned by bci1
quantum field theories (QFT) owned by bci1
quantum fundamental groupoid owned by bci1
quantum geometry owned by bci1
quantum gravity (=superspace and supergravity superfields) owned by bci1
quantum gravity theories owned by bci1
quantum group (in quantum groupoids) owned by bci1
quantum group (in groupoid and group representations related to quantum symmetries) owned by bci1
quantum group (in quantum groups) owned by bci1
quantum group (in weak Hopf C*-algebra) owned by bci1
quantum group (in locally compact quantum group) owned by bci1
quantum group (=compact quantum group) owned by bci1
quantum group (=finite quantum group) owned by bci1
quantum groupoid (in weak Hopf C*-algebra) owned by bci1
quantum groupoid (in quantum groupoids) owned by bci1
quantum groupoid category (=quantum category) owned by bci1
quantum groupoid homomorphism (in quantum category) owned by bci1
quantum groupoids owned by bci1
quantum groupoids (=quantum groups and von Neumann algebras) owned by bci1
quantum groupoids (=weak Hopf C*-algebra) owned by bci1
quantum groupoids v.1 (=weak Hopf algebra) owned by bci1
quantum groups owned by bci1
quantum groups and von Neumann algebras owned by bci1
quantum interactions of all kinds (in quantum field theories (QFT)) owned by bci1
quantum logic owned by CWoo
quantum logics (in categorical quantum logics as quantum LM-algebraic logic) owned by bci1
quantum logics topoi (in quantum logic toposes) owned by bci1
quantum logics toposes (in quantum logic toposes) owned by bci1
quantum logic toposes owned by bci1
quantum nano-automata owned by bci1
quantum nano-automaton (in quantum nano-automata) owned by bci1
quantum nano-computer (in quantum nano-automata) owned by bci1
quantum observable (in quantization) owned by bci1
quantum operator algebra (=nuclear C*-algebra) owned by bci1
Quantum Operator Algebras (=quantum algebraic topology topics) owned by bci1
quantum operator algebras (=Jordan-Banach and Jordan-Lie algebras) owned by bci1
quantum operator algebras in quantum field theories owned by bci1
quantum Riemannian geometry owned by bci1
quantum spaces (=quantum space-times) owned by bci1
quantum space-times (=superspace and supergravity superfields) owned by bci1
quantum space-times owned by bci1
quantum spacetimes homotopy theory (=quantum fundamental groupoid) owned by bci1
quantum spacetime structure (in quantum groupoids) owned by bci1
quantum space-time structure (in quantum space-times) owned by bci1
quantum spin networks approximations by $CW$-complexes (=theorem on $CW$-complex approximation of quantum state spaces in QAT) owned by bci1
quantum state (in quantization) owned by bci1
quantum state space (in quantum topos) owned by bci1
quantum state spaces (=quantum space-times) owned by bci1
quantum super-operators owned by bci1
quantum system (in quantization) owned by bci1
quantum system dynamics and eigenvalues (in Schrödinger operator) owned by mhale
quantum theories (=quantum field theories (QFT)) owned by bci1
quantum theories (=quantum operator algebras in quantum field theories) owned by bci1
quantum topos owned by bci1
quantum triple (in category of quantum automata) owned by bci1
quark and gluon interactions (in quantum chromodynamics (QCD)) owned by bci1
quarter-plane (=quadrant) owned by Mathprof
quartic equation (=quartic formula) owned by djao
quartic formula owned by djao
quartic formula by Euler (=Euler's derivation of the quartic formula) owned by pahio
quartic polynomial with Galois group $D_8$ owned by rm50
quartile (in percentile) owned by CWoo
quasi-affine variety (in affine variety) owned by mathcam
example of quasi-affine variety that is not affine owned by Mathprof
quasi-bialgebra (=Yetter-Drinfel'd module) owned by bci1
quasicategories (in axiomatic theory of supercategories and metacategories) owned by bci1
quasicategories (=axiomatic theory of supercategories and metacategories) owned by bci1
quasicircle owned by jirka
quasicircle (in quasicircle) owned by jirka
quasi-coherent sheaf (=coherent sheaf) owned by PrimeFan
quasicompact (=quasi-compact) owned by Wkbj79
quasi-compact owned by Wkbj79
quasicomponent owned by Evandar
quasi-component (=quasicomponent) owned by Evandar
quasiconformal (in quasiconformal mapping) owned by jirka
quasiconformal mapping owned by jirka
quasi-cyclic (in quasicyclic group) owned by yark
quasicyclic (in quasicyclic group) owned by yark
quasi-cyclic group (=quasicyclic group) owned by yark
quasicyclic group owned by yark
quasi-finite (=quasi-finite morphism) owned by nerdy2
quasi-finite morphism owned by nerdy2
quasigroup (in loop and quasigroup) owned by mclase
quasigroup (in biops) owned by HkBst
quasi-Hamiltonian group (in Hamiltonian group) owned by yark
quasi-invariant owned by Mathprof
quasi-inverse (in quasi-regularity) owned by mclase
quasi-inverse (=quasi-inverse of a function) owned by CWoo
quasi-inverse function (in quasi-inverse of a function) owned by CWoo
quasi-inverse of a function owned by CWoo
quasi-invertible (in homotopes and isotopes of algebras) owned by Algeboy
quasi-metric (in quasimetric space) owned by mathcam
quasimetric (in quasimetric space) owned by mathcam
quasimetric space owned by mathcam
quasi-metric space (=quasimetric space) owned by mathcam
quasinilpotent (=topologically nilpotent) owned by CWoo
quasi-normal (in permutable subgroup) owned by yark
quasinormal (in permutable subgroup) owned by yark
quasi-normal subgroup (=permutable subgroup) owned by yark
quasinormal subgroup (=permutable subgroup) owned by yark
quasi-order (=pre-order) owned by yark
quasiorder (=pre-order) owned by yark
quasiordered (in pre-order) owned by yark
quasi-ordered (in pre-order) owned by yark
quasi-ordering (=pre-order) owned by yark
quasiordering (=pre-order) owned by yark
Quasi-order is not defined uniformly owned by boute
quasiperfect number owned by CompositeFan
quasiperiod (in quasiperiodic function) owned by rspuzio
quasiperiod and half quasiperiod relations for Jacobi $\vartheta$ functions owned by rspuzio
quasiperiodic function owned by rspuzio
quasiperiodicity (in quasiperiodic function) owned by rspuzio
quasipositive matrix owned by Mathprof
quasiprimitive class (=implicational class) owned by CWoo
quasi-projective variety (in projective variety) owned by mathcam
quasipseudometric (=generalization of a pseudometric) owned by CWoo
quasi-pseudometric (in generalization of a pseudometric) owned by CWoo
quasipseudometric space (=generalization of a pseudometric) owned by CWoo
quasi-pseudometric space (in generalization of a pseudometric) owned by CWoo
quasi-regular (in quasi-regularity) owned by mclase
quasi regular (=quasi-regularity) owned by mclase
quasi-regular ideal (in quasi-regularity) owned by mclase
quasi regularity (=quasi-regularity) owned by mclase
quasi-regularity owned by mclase
quasi-regular ring (in quasi-regularity) owned by mclase
quasi-scalar matrices (=diagonal matrix) owned by rspuzio
quasi-scalar matrix (=diagonal matrix) owned by rspuzio
quasisphere (=quasicircle) owned by jirka
quasisphere (in quasicircle) owned by jirka
quasisymmetric (in quasisymmetric mapping) owned by jirka
quasisymmetric mapping owned by jirka
quasiuniform (=generalization of a uniformity) owned by CWoo
quasi-uniform (=generalization of a uniformity) owned by CWoo
quasiuniformity (=generalization of a uniformity) owned by CWoo
quasi-uniformity (in generalization of a uniformity) owned by CWoo
quasiuniform space (=generalization of a uniformity) owned by CWoo
quasi-uniform space (in generalization of a uniformity) owned by CWoo
quasivariety (=implicational class) owned by CWoo
quaternary code (in linear code) owned by mathcam
quaternary discriminator (in discriminator function) owned by CWoo
quaternion (=Hamiltonian quaternions) owned by mathcam
quaternion algebra owned by djao
quaternion algebra (in Hamiltonian quaternions) owned by mathcam
quaternion group (in quaternion group) owned by mathcam
quaternion group owned by mathcam
quaternion groups (=generalized quaternion group) owned by Algeboy
quaternionic group (=quaternion group) owned by mathcam
query (in oracle) owned by Henry
queue owned by Mravinci
quicksort owned by thouis
quintuplet (in ordered tuplet) owned by rspuzio
quiver owned by mathangel
quiver (in quiver) owned by mathangel
quotations about mathematics owned by PrimeFan
quotient (in division) owned by pahio
quotient (=quotient group) owned by azdbacks4234
quotient (in quotient of languages) owned by CWoo
quotient algebra (in congruence relation on an algebraic system) owned by CWoo
quotient algebra (=congruence on a partial algebra) owned by CWoo
quotient category owned by CWoo
additive quotient category owned by bci1
quotient field (=fraction field) owned by djao
quotient group owned by azdbacks4234
quotient group of a topological group by its identity component is totally disconnected owned by joking
quotient ideal (=quotient of ideals) owned by pahio
quotient map (in quotient space) owned by djao
quotient module owned by rspuzio
quotient norm owned by asteroid
quotient object (in subobject) owned by CWoo
quotient object functor (in subobject) owned by CWoo
quotient of a subgroup (=section of a group) owned by yark
quotient of functions (in sum and product and quotient of functions) owned by pahio
quotient of ideals owned by pahio
quotient of languages owned by CWoo
quotient of submodules (in submodule) owned by PrimeFan
quotient of Taylor series (=Taylor series via division) owned by pahio
quotient partial algebra (in congruence on a partial algebra) owned by CWoo
quotient representations owned by rm50
quotient ring owned by mathwizard
quotient ring modulo prime ideal owned by pahio
quotient rule owned by Luci
quotient rule for arithmetic derivative owned by Wkbj79
proof of quotient rule owned by drini
proof of quotient rule (using product rule) owned by matte
quotients and remainders (in Ahmes' bird-feeding rate method) owned by milogardner
quotient semigroup (in congruence) owned by mclase
quotients in $C^*$-algebras owned by asteroid
proof of quotients in $C^*$-algebras owned by asteroid
quotients of Banach algebras owned by asteroid
quotients of Banach spaces by closed subspaces are Banach spaces under the quotient norm owned by asteroid
quotient space owned by djao
quotient structure owned by almann
quotient topology (in quotient space) owned by djao
quotient vector space (in quotient module) owned by rspuzio
R - 1000 entries
S - 2058 entries
T - 852 entries
U - 400 entries
V - 260 entries
W - 328 entries
X - 8 entries
Y - 22 entries
Z - 99 entries
8694 entries total.
15221 concepts total.
Interact
add