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Author ID: aziz.a-kadir Recent zbMATH articles by "Aziz, A. Kadir"
Published as: Aziz, A. K.; Aziz, A. Kadir
External Links: MGP

Publications by Year

Citations contained in zbMATH Open

48 Publications have been cited 900 times in 819 Documents Cited by Year
Survey lectures on the mathematical foundations of the finite element method. With the collaboration of G. Fix and R. B. Kellogg. Zbl 0268.65052
Babuška, Ivo; Aziz, A. K.
255
1972
On the angle condition in the finite element method. Zbl 0324.65046
Babuška, Ivo; Aziz, A. K.
199
1976
Continuous finite elements in space and time for the heat equation. Zbl 0673.65070
Aziz, A. K.; Monk, Peter
70
1989
The mathematical foundations of the finite element method with applications to partial differential equations. Proceedings of a symposium, held at the University of Maryland, Baltimore, Maryland, June 26-30, 1972. Zbl 0259.00014
47
1972
Least squares methods for elliptic systems. Zbl 0609.35034
Aziz, A. K.; Kellogg, R. B.; Stephens, A. B.
39
1985
A two-point boundary value problem with a rapidly oscillating solution. Zbl 0645.65041
Aziz, A. K.; Kellogg, R. B.; Stephens, A. B.
31
1988
A weighted least squares method for the backward-forward heat equation. Zbl 0727.65080
Aziz, A. K.; Liu, J.-L.
23
1991
Numerical solutions of boundary value problems for ordinary differential equations. Proceedings of a symposium held at the University of Maryland, Baltimore County Campus, June 10-12, 1974. Zbl 0299.00019
17
1975
Frankl-Morawetz problem in \(\mathbb{R}^3\). Zbl 0423.35065
Aziz, A. K.; Schneider, M.
14
1979
A new approximation method for the Helmholtz equation in an exterior domain. Zbl 0494.65067
Aziz, A. K.; Dorr, M. R.; Kellogg, R. B.
12
1982
On the numerical solution of Helmholtz’s equation by the finite element method. Zbl 0466.65061
Aziz, A. K.; Werschulz, A.
12
1980
Finite element analysis of a scattering problem. Zbl 0572.65105
Aziz, A. K.; Kellogg, R. Bruce
12
1981
Origins, analysis, numerical analysis, and numerical approximation of a forward-backward parabolic problem. Zbl 0962.65082
Aziz, A. Kadir; French, Donald A.; Jensen, Soren; Kellogg, R. Bruce
11
1999
Bounds for the solution of the Sturm-Liouville problem with application to finite difference methods. Zbl 0124.07701
Aziz, A. K.; Hubbard, B. E.
11
1964
Control theory of systems governed by partial differential equations. Conference held at the Naval Surface Weapons Center (White Oak), Silver Spring, Maryland, May 3-7, 1976. Zbl 0409.00018
9
1977
Periodic solutions of hyperbolic partial differential equations in the large. Zbl 0232.35066
Aziz, A. K.; Horak, M. G.
9
1972
On a mixed boundary-value problem for linear hyperbolic partial differential equations in two independent variables. Zbl 0113.08401
Aziz, A. K.; Diaz, J. B.
8
1962
Periodic solutions of a class of weakly nonlinear hyperbolic partial differential equations. Zbl 0232.35067
Aziz, A. K.; Brodsky, S. L.
8
1972
Numerical methods for reaction-diffusion problems with non-differentiable kinetics. Zbl 0655.65127
Aziz, A. K.; Stephens, A. B.; Suri, Manil
8
1988
On uniqueness of Frankl-Morawetz problem in \(\mathbb{R}^2\). Zbl 0397.35048
Aziz, A. K.; Schneider, M.
7
1978
A Galerkin method for the forward-backward heat equation. Zbl 0718.65068
Aziz, A. K.; Liu, J.-L.
7
1991
On a mean-value theorem of the differential calculus of vector-valued functions, and uniqueness theorems for ordinary differential equations in a linear-normed space. Zbl 0133.33802
Aziz, A. K.; Diaz, J. B.
7
1963
Periodic solutions of hyperbolic partial differential equations. Zbl 0144.16201
Aziz, A. K.
7
1966
Finite element approximation for first order systems. Zbl 0399.65082
Aziz, A. K.; Leventhal, S.
6
1978
Periodic solutions of hyperbolic partial differential equations in a strip. Zbl 0189.41002
Aziz, A. K.; Meyers, A. M.
6
1969
Numerical solution of linear partial differential equations of elliptic- hyperbolic type. Zbl 0349.65055
Aziz, A. K.; Leventhal, S. H.
5
1976
Lectures in differential equations. Vol. I. Zbl 0181.00103
5
1969
On homeomorphisms for an elliptic equation in domains with corners. Zbl 0829.35026
Aziz, A. K.; Kellogg, R. B.
5
1995
Group analysis of free convection flow of a magnetic nanofluid with chemical reaction. Zbl 1394.76140
Uddin, Md. Jashim; Bég, O. A.; Aziz, A.; Ismail, A. I. Md.
5
2015
A finite element method for a boundary value problem of mixed type. Zbl 0574.65128
Aziz, A. K.; Han, Houde; Schneider, M.
4
1984
Energy transfer to a rigid piston under detonation loading. Zbl 0104.21203
Aziz, A. K.; Hurwitz, H.; Sternberg, H. M.
4
1961
An application of Tychonoff’s fixed point theorem to hyperbolic partial differential equations. Zbl 0132.33305
Aziz, A. K.; Maloney, J. P.
4
1965
On a mean value theorem for vectorvalued functions, with applications to uniqueness theorems for ’right-hand-derivative’ equations. Zbl 0156.16002
Aziz, A. K.; Diaz, J. B.; Mlak, W.
4
1966
Lectures in differential equations. Vol. II. Zbl 0181.00104
4
1969
A finite element method for the Tricomi problem. Zbl 0439.65096
Aziz, A. K.; Schneider, M.; Werschulz, A.
3
1980
A generalized Goursat problem for elliptic equations. Zbl 0132.07503
Aziz, A. K.; Gilbert, R. P.
3
1966
A functional-integral equation with applications to hyperbolic partial differential equations. Zbl 0134.08301
Aziz, A. K.
3
1965
The existence of generalized solutions for a class of quasi-linear equations of mixed type. Zbl 0592.35094
Aziz, A. K.; Schneider, M.
3
1985
A second order, non-linear elliptic boundary value problem with generalized Goursat data. Zbl 0152.31102
Aziz, A. K.; Gilbert, R. P.; Howard, H. C.
3
1966
Existence and uniqueness for an equation of mixed type in a rectangle. Zbl 0486.35056
Aziz, A. K.; Bell, J. B.; Schneider, M.
2
1982
A finite element method for the nonlinear Tricomi problem. Zbl 0712.65094
Aziz, A. K.; Lemmert, R.; Schneider, M.
2
1990
Weak solutions of the Gellerstedt and the Gellerstedt-Neumann problems. Zbl 0542.35051
Aziz, A. K.; Schneider, M.
2
1984
On uniqueness of Neumann-Tricomi problem in \(\mathbb{R}^2\). Zbl 0441.35045
Aziz, A. K.; Schneider, M.
2
1980
On higher order boundary value problems for a linear hyperbolic partial differential equation in three independent variables. Zbl 0095.07603
Aziz, A. K.; Diaz, J. B.
2
1961
The existence of generalized solutions for a class of linear and nonlinear equations of mixed type. Zbl 0784.35064
Aziz, A. Kadir; Lemmert, Roland; Schneider, Manfred
2
1990
Higher-order convergence for a finite element method for the Tricomi problem. Zbl 0466.65063
Aziz, A. K.; Leventhal, S.; Werschulz, A.
1
1980
On a mean-value theorem of the weak differential calculus of vector- valued functions. Zbl 0133.33803
Aziz, A. K.; Diaz, J. B.
1
1963
On Pompein’s proof of the mean-value theorem of the differential calculus of real-valued functions. Zbl 0136.35101
Aziz, A. K.; Diaz, J. B.
1
1963
Group analysis of free convection flow of a magnetic nanofluid with chemical reaction. Zbl 1394.76140
Uddin, Md. Jashim; Bég, O. A.; Aziz, A.; Ismail, A. I. Md.
5
2015
Origins, analysis, numerical analysis, and numerical approximation of a forward-backward parabolic problem. Zbl 0962.65082
Aziz, A. Kadir; French, Donald A.; Jensen, Soren; Kellogg, R. Bruce
11
1999
On homeomorphisms for an elliptic equation in domains with corners. Zbl 0829.35026
Aziz, A. K.; Kellogg, R. B.
5
1995
A weighted least squares method for the backward-forward heat equation. Zbl 0727.65080
Aziz, A. K.; Liu, J.-L.
23
1991
A Galerkin method for the forward-backward heat equation. Zbl 0718.65068
Aziz, A. K.; Liu, J.-L.
7
1991
A finite element method for the nonlinear Tricomi problem. Zbl 0712.65094
Aziz, A. K.; Lemmert, R.; Schneider, M.
2
1990
The existence of generalized solutions for a class of linear and nonlinear equations of mixed type. Zbl 0784.35064
Aziz, A. Kadir; Lemmert, Roland; Schneider, Manfred
2
1990
Continuous finite elements in space and time for the heat equation. Zbl 0673.65070
Aziz, A. K.; Monk, Peter
70
1989
A two-point boundary value problem with a rapidly oscillating solution. Zbl 0645.65041
Aziz, A. K.; Kellogg, R. B.; Stephens, A. B.
31
1988
Numerical methods for reaction-diffusion problems with non-differentiable kinetics. Zbl 0655.65127
Aziz, A. K.; Stephens, A. B.; Suri, Manil
8
1988
Least squares methods for elliptic systems. Zbl 0609.35034
Aziz, A. K.; Kellogg, R. B.; Stephens, A. B.
39
1985
The existence of generalized solutions for a class of quasi-linear equations of mixed type. Zbl 0592.35094
Aziz, A. K.; Schneider, M.
3
1985
A finite element method for a boundary value problem of mixed type. Zbl 0574.65128
Aziz, A. K.; Han, Houde; Schneider, M.
4
1984
Weak solutions of the Gellerstedt and the Gellerstedt-Neumann problems. Zbl 0542.35051
Aziz, A. K.; Schneider, M.
2
1984
A new approximation method for the Helmholtz equation in an exterior domain. Zbl 0494.65067
Aziz, A. K.; Dorr, M. R.; Kellogg, R. B.
12
1982
Existence and uniqueness for an equation of mixed type in a rectangle. Zbl 0486.35056
Aziz, A. K.; Bell, J. B.; Schneider, M.
2
1982
Finite element analysis of a scattering problem. Zbl 0572.65105
Aziz, A. K.; Kellogg, R. Bruce
12
1981
On the numerical solution of Helmholtz’s equation by the finite element method. Zbl 0466.65061
Aziz, A. K.; Werschulz, A.
12
1980
A finite element method for the Tricomi problem. Zbl 0439.65096
Aziz, A. K.; Schneider, M.; Werschulz, A.
3
1980
On uniqueness of Neumann-Tricomi problem in \(\mathbb{R}^2\). Zbl 0441.35045
Aziz, A. K.; Schneider, M.
2
1980
Higher-order convergence for a finite element method for the Tricomi problem. Zbl 0466.65063
Aziz, A. K.; Leventhal, S.; Werschulz, A.
1
1980
Frankl-Morawetz problem in \(\mathbb{R}^3\). Zbl 0423.35065
Aziz, A. K.; Schneider, M.
14
1979
On uniqueness of Frankl-Morawetz problem in \(\mathbb{R}^2\). Zbl 0397.35048
Aziz, A. K.; Schneider, M.
7
1978
Finite element approximation for first order systems. Zbl 0399.65082
Aziz, A. K.; Leventhal, S.
6
1978
Control theory of systems governed by partial differential equations. Conference held at the Naval Surface Weapons Center (White Oak), Silver Spring, Maryland, May 3-7, 1976. Zbl 0409.00018
9
1977
On the angle condition in the finite element method. Zbl 0324.65046
Babuška, Ivo; Aziz, A. K.
199
1976
Numerical solution of linear partial differential equations of elliptic- hyperbolic type. Zbl 0349.65055
Aziz, A. K.; Leventhal, S. H.
5
1976
Numerical solutions of boundary value problems for ordinary differential equations. Proceedings of a symposium held at the University of Maryland, Baltimore County Campus, June 10-12, 1974. Zbl 0299.00019
17
1975
Survey lectures on the mathematical foundations of the finite element method. With the collaboration of G. Fix and R. B. Kellogg. Zbl 0268.65052
Babuška, Ivo; Aziz, A. K.
255
1972
The mathematical foundations of the finite element method with applications to partial differential equations. Proceedings of a symposium, held at the University of Maryland, Baltimore, Maryland, June 26-30, 1972. Zbl 0259.00014
47
1972
Periodic solutions of hyperbolic partial differential equations in the large. Zbl 0232.35066
Aziz, A. K.; Horak, M. G.
9
1972
Periodic solutions of a class of weakly nonlinear hyperbolic partial differential equations. Zbl 0232.35067
Aziz, A. K.; Brodsky, S. L.
8
1972
Periodic solutions of hyperbolic partial differential equations in a strip. Zbl 0189.41002
Aziz, A. K.; Meyers, A. M.
6
1969
Lectures in differential equations. Vol. I. Zbl 0181.00103
5
1969
Lectures in differential equations. Vol. II. Zbl 0181.00104
4
1969
Periodic solutions of hyperbolic partial differential equations. Zbl 0144.16201
Aziz, A. K.
7
1966
On a mean value theorem for vectorvalued functions, with applications to uniqueness theorems for ’right-hand-derivative’ equations. Zbl 0156.16002
Aziz, A. K.; Diaz, J. B.; Mlak, W.
4
1966
A generalized Goursat problem for elliptic equations. Zbl 0132.07503
Aziz, A. K.; Gilbert, R. P.
3
1966
A second order, non-linear elliptic boundary value problem with generalized Goursat data. Zbl 0152.31102
Aziz, A. K.; Gilbert, R. P.; Howard, H. C.
3
1966
An application of Tychonoff’s fixed point theorem to hyperbolic partial differential equations. Zbl 0132.33305
Aziz, A. K.; Maloney, J. P.
4
1965
A functional-integral equation with applications to hyperbolic partial differential equations. Zbl 0134.08301
Aziz, A. K.
3
1965
Bounds for the solution of the Sturm-Liouville problem with application to finite difference methods. Zbl 0124.07701
Aziz, A. K.; Hubbard, B. E.
11
1964
On a mean-value theorem of the differential calculus of vector-valued functions, and uniqueness theorems for ordinary differential equations in a linear-normed space. Zbl 0133.33802
Aziz, A. K.; Diaz, J. B.
7
1963
On a mean-value theorem of the weak differential calculus of vector- valued functions. Zbl 0133.33803
Aziz, A. K.; Diaz, J. B.
1
1963
On Pompein’s proof of the mean-value theorem of the differential calculus of real-valued functions. Zbl 0136.35101
Aziz, A. K.; Diaz, J. B.
1
1963
On a mixed boundary-value problem for linear hyperbolic partial differential equations in two independent variables. Zbl 0113.08401
Aziz, A. K.; Diaz, J. B.
8
1962
Energy transfer to a rigid piston under detonation loading. Zbl 0104.21203
Aziz, A. K.; Hurwitz, H.; Sternberg, H. M.
4
1961
On higher order boundary value problems for a linear hyperbolic partial differential equation in three independent variables. Zbl 0095.07603
Aziz, A. K.; Diaz, J. B.
2
1961
all top 5

Cited by 1,049 Authors

15 Babuška, Ivo
13 Aziz, A. Kadir
12 Gatica, Gabriel N.
12 Schneider, Manfred
11 Bramble, James H.
11 Kobayashi, Kenta
11 Korotov, Sergey
11 Li, Zi-Cai
11 Oden, John Tinsley
11 Popivanov, Nedyu Iv.
11 Tsuchiya, Takuya
10 Bacuta, Constantin
10 Gunzburger, Max D.
10 Li, Hong
10 Zhao, Zhihui
9 Stephan, Ernst Peter
8 Křížek, Michal
8 Li, Hengguang
8 Liu, Jinn-Liang
8 Nistor, Victor
8 Werschulz, Arthur G.
7 Chang, Ching Lung
7 Jacavage, Jacob
7 Repin, Sergeĭ Igorevich
7 Wendland, Wolfgang L.
7 Yang, Suh-Yuh
6 Banei, Siamak
6 Bause, Markus
6 Chen, Long
6 Falk, Richard S.
6 Huang, Hung-Tsai
6 Kiguradze, Tariel I.
6 Luo, Zhendong
6 Pasciak, Joseph E.
6 Popov, Todor
6 Shanazari, Kamal
6 Spence, Euan A.
6 Vatne, Jon Eivind
5 Acosta, Gabriel
5 Bochev, Pavel B.
5 Guo, Ruchi
5 Han, Houde
5 Ishizaka, Hiroki
5 Köcher, Uwe
5 Makridakis, Charalambos G.
5 Matthies, Gunar
5 Park, Eun-Jae
5 Plaza, Ángel
5 Schwab, Christoph
5 Usmani, Riaz A.
4 Akrivis, Georgios D.
4 Assanova, Anar Turmaganbetkyzy
4 Auricchio, Ferdinando
4 Baĭdakova, Natalia Vasil’evna
4 Bao, Gang
4 Cao, Shuhao
4 Fix, George J.
4 Frank, Till Daniel
4 French, Donald A.
4 Goldstein, Charles I.
4 Jiang, Bo-Nan
4 Khademi, Ali
4 Lefieux, Adrien
4 Luo, Songting
4 Mao, Shipeng
4 Nicaise, Serge
4 Nochetto, Ricardo Horacio
4 Oyarzúa, Ricardo
4 Pitkäranta, Juhani
4 Reddy, Junuthula Narasimha
4 Saranen, Jukka
4 Sauter, Stefan
4 Steinbach, Olaf
3 Abarbanel, Saul Sigmond
3 Ahmed, Naveed
3 Apel, Thomas
3 Arnold, Douglas Norman
3 Canuto, Claudio
3 Chen, Shaochun
3 Chiang, John Y.
3 Costabel, Martin
3 Cueto, Elias
3 Diaz, Joaquin Basilio
3 Doblaré, Manuel
3 Du, Qiang
3 Gazzola, Filippo
3 Han, Weimin
3 Hariharan, S. I.
3 Haslinger, Jaroslav
3 He, Yinnian
3 Hecquet, Gerard
3 Hsiao, George Chia-Chu
3 Huang, Jianguo
3 Hughes, Thomas J. R.
3 Kellogg, Bruce
3 Kikuchi, Noboru
3 Krause, Rolf H.
3 Ku, Jaeun
3 Lafontaine, David
3 Langer, Ulrich
...and 949 more Authors
all top 5

Cited in 164 Serials

76 Computer Methods in Applied Mechanics and Engineering
60 Mathematics of Computation
44 Numerische Mathematik
38 Computers & Mathematics with Applications
36 Journal of Computational and Applied Mathematics
33 Journal of Computational Physics
33 Applied Numerical Mathematics
27 Journal of Mathematical Analysis and Applications
26 Applied Mathematics and Computation
19 SIAM Journal on Numerical Analysis
14 International Journal for Numerical Methods in Engineering
14 Journal of Scientific Computing
11 RAIRO. Modélisation Mathématique et Analyse Numérique
10 RAIRO. Analyse Numérique
10 Japan Journal of Industrial and Applied Mathematics
10 SIAM Journal on Scientific Computing
10 Computational Methods in Applied Mathematics
9 Numerical Methods for Partial Differential Equations
9 European Series in Applied and Industrial Mathematics (ESAIM): Mathematical Modelling and Numerical Analysis
8 Applicable Analysis
8 Applications of Mathematics
7 Mathematical Methods in the Applied Sciences
7 Annali di Matematica Pura ed Applicata. Serie Quarta
7 International Journal of Computational Geometry & Applications
7 M\(^3\)AS. Mathematical Models & Methods in Applied Sciences
7 Engineering Analysis with Boundary Elements
6 Journal of Differential Equations
6 Mathematics and Computers in Simulation
6 Mathematical and Computer Modelling
6 M2AN. Mathematical Modelling and Numerical Analysis. ESAIM, European Series in Applied and Industrial Mathematics
5 Computers and Fluids
5 International Journal of Engineering Science
5 Computer Aided Geometric Design
5 Journal of Complexity
5 Journal of Integral Equations and Applications
5 Computational Geometry
4 Archive for Rational Mechanics and Analysis
4 Journal of Approximation Theory
4 Numerical Functional Analysis and Optimization
4 Applied Mathematical Modelling
4 Abstract and Applied Analysis
4 International Journal of Numerical Analysis and Modeling
4 Proceedings of the Steklov Institute of Mathematics
3 Automatica
3 Computing
3 Monatshefte für Mathematik
3 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
3 Applied Mathematics and Mechanics. (English Edition)
3 Discrete & Computational Geometry
3 Computational Mechanics
3 Numerical Algorithms
3 International Journal of Computer Mathematics
3 SIAM Journal on Mathematical Analysis
3 Journal of Mathematical Sciences (New York)
3 Georgian Mathematical Journal
3 Advances in Computational Mathematics
3 Lobachevskii Journal of Mathematics
3 Boundary Value Problems
3 Nonlinear Analysis. Theory, Methods & Applications
2 International Journal for Numerical Methods in Fluids
2 Journal of Fluid Mechanics
2 Journal of the Franklin Institute
2 Physica A
2 Physics Letters. A
2 Journal of Functional Analysis
2 Journal of Optimization Theory and Applications
2 Rendiconti del Circolo Matemàtico di Palermo. Serie II
2 Advances in Applied Mathematics
2 Acta Mathematicae Applicatae Sinica. English Series
2 Science in China. Series A
2 Siberian Advances in Mathematics
2 Computational Mathematics and Mathematical Physics
2 Linear Algebra and its Applications
2 SIAM Review
2 Calculus of Variations and Partial Differential Equations
2 Computational and Applied Mathematics
2 Computing and Visualization in Science
2 International Journal of Computational Fluid Dynamics
2 Optimization Methods & Software
2 Differential Equations
2 Journal of Numerical Mathematics
2 Multiscale Modeling & Simulation
2 Acta Numerica
2 Sibirskie Èlektronnye Matematicheskie Izvestiya
2 Complex Variables and Elliptic Equations
2 Advances in Applied Mathematics and Mechanics
2 S\(\vec{\text{e}}\)MA Journal
2 Results in Applied Mathematics
1 Acta Mechanica
1 Bulletin of the Australian Mathematical Society
1 Journal d’Analyse Mathématique
1 Journal of Engineering Mathematics
1 Mathematical Notes
1 ZAMP. Zeitschrift für angewandte Mathematik und Physik
1 Chaos, Solitons and Fractals
1 ACM Transactions on Mathematical Software
1 Advances in Mathematics
1 Applied Mathematics and Optimization
1 BIT
1 Calcolo
...and 64 more Serials
all top 5

Cited in 41 Fields

593 Numerical analysis (65-XX)
400 Partial differential equations (35-XX)
125 Fluid mechanics (76-XX)
118 Mechanics of deformable solids (74-XX)
44 Calculus of variations and optimal control; optimization (49-XX)
32 Ordinary differential equations (34-XX)
31 Optics, electromagnetic theory (78-XX)
27 Approximations and expansions (41-XX)
21 Computer science (68-XX)
18 Operator theory (47-XX)
17 Integral equations (45-XX)
12 Functional analysis (46-XX)
12 Classical thermodynamics, heat transfer (80-XX)
11 Real functions (26-XX)
11 Potential theory (31-XX)
9 Systems theory; control (93-XX)
7 Convex and discrete geometry (52-XX)
7 Probability theory and stochastic processes (60-XX)
5 Dynamical systems and ergodic theory (37-XX)
4 Combinatorics (05-XX)
4 Special functions (33-XX)
4 Geometry (51-XX)
4 Global analysis, analysis on manifolds (58-XX)
4 Statistical mechanics, structure of matter (82-XX)
4 Operations research, mathematical programming (90-XX)
4 Biology and other natural sciences (92-XX)
3 History and biography (01-XX)
2 Functions of a complex variable (30-XX)
2 Difference and functional equations (39-XX)
2 General topology (54-XX)
2 Mechanics of particles and systems (70-XX)
2 Quantum theory (81-XX)
2 Geophysics (86-XX)
1 General and overarching topics; collections (00-XX)
1 Topological groups, Lie groups (22-XX)
1 Measure and integration (28-XX)
1 Harmonic analysis on Euclidean spaces (42-XX)
1 Abstract harmonic analysis (43-XX)
1 Differential geometry (53-XX)
1 Manifolds and cell complexes (57-XX)
1 Astronomy and astrophysics (85-XX)

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