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## Walsh, Timothy R. S.

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 Author ID: walsh.timothy-r-s Published as: Walsh, T.; Walsh, T. R.; Walsh, T. R. S.; Walsh, Timothy; Walsh, Timothy R.; Walsh, Timothy R. S.
 Documents Indexed: 74 Publications since 1962, including 1 Book Reviewing Activity: 264 Reviews
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#### Co-Authors

 27 single-authored 7 Liskovets, Valery A. 4 Lehman, A. B. 3 Giorgetti, Alain 2 Auger, Pierre M. 1 Atkinson, H. H. 1 Dewdney, A. K. 1 Gargantini, Irene 1 Koganov, Leonid M. 1 Mednykh, Aleksandr Dmitrievich 1 Ramanath, M. V. S. 1 Robinson, Robert W. 1 Wright, Edward Maitland
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#### Serials

 9 Journal of Combinatorial Theory. Series B 4 Discrete Mathematics 3 Information Processing Letters 3 Ars Combinatoria 2 Soviet Mathematics. Doklady 2 Congressus Numerantium 2 Ars Mathematica Contemporanea 1 Computers & Mathematics with Applications 1 Canadian Journal of Mathematics 1 Geometriae Dedicata 1 Journal of Graph Theory 1 Journal of the London Mathematical Society. Second Series 1 Theoretical Computer Science 1 Journal of Algorithms 1 European Journal of Combinatorics 1 Advances in Applied Mathematics 1 SIAM Journal on Algebraic and Discrete Methods 1 JCMCC. The Journal of Combinatorial Mathematics and Combinatorial Computing 1 Computer Vision, Graphics, and Image Processing 1 Journal of Integer Sequences
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#### Fields

 36 Combinatorics (05-XX) 16 Computer science (68-XX) 1 General and overarching topics; collections (00-XX) 1 Mathematical logic and foundations (03-XX) 1 Geometry (51-XX) 1 Convex and discrete geometry (52-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX)

#### Citations contained in zbMATH Open

54 Publications have been cited 498 times in 357 Documents Cited by Year
Hypermaps versus bipartite maps. Zbl 0302.05101
Walsh, T. R. S.
1975
Counting rooted maps by genus. I. Zbl 0228.05108
Walsh, T. R. S.; Lehman, A. B.
1972
On the function of Marcinkiewicz-Stein. Zbl 0212.13603
Walsh, T.
1972
Counting rooted maps by genus. III: Nonseparable maps. Zbl 0299.05110
Walsh, T. R. S.; Lehman, A. B.
1975
Counting rooted maps by genus. II. Zbl 0228.05109
Walsh, T.; Lehman, A. B.
1972
Counting labelled three-connected and homeomorphically irreducible two- connected graphs. Zbl 0449.05031
Walsh, T. R. S.
1982
The towers of Hanoi revisited: Moving the rings by counting the moves. Zbl 0487.90099
Walsh, T. R.
1982
HP90: A general and flexible Fortran 90 $$hp$$-FE code. Zbl 0912.68014
Demkowicz, L.; Gerdes, K.; Schwab, C.; Bajer, A.; Walsh, T.
1998
Generating Gray codes in $$O(1)$$ worst-case time per word. Zbl 1038.68566
Walsh, Timothy
2003
Counting unlabelled three-connected and homeomorphically irreducible two- connected graphs. Zbl 0449.05032
Walsh, T. R. S.
1982
Gray codes for involutions. Zbl 0979.68046
Walsh, Timothy
2001
Enumeration of Eulerian and unicursal planar maps. Zbl 1051.05049
Liskovets, Valery A.; Walsh, Timothy R. S.
2004
Loop-free sequencing of bounded integer compositions. Zbl 0961.68102
Walsh, Timothy R.
2000
Counting non-isomorphic three-connected planar maps. Zbl 0443.05050
Walsh, T. R. S.
1982
The enumeration of non-isomorphic 2-connected planar maps. Zbl 0519.05041
Liskovets, V. A.; Walsh, T. R. S.
1983
Iteration strikes back - at the cyclic Towers of Hanoi. Zbl 0508.68020
Walsh, T. R.
1983
Efficient enumeration of rooted maps of a given orientable genus by number of faces and vertices. Zbl 1317.05090
Walsh, Timothy R. S.; Giorgetti, Alain
2014
Where are the hard manipulation problems? Zbl 1234.68391
Walsh, T.
2011
Ten steps to counting planar graphs. Zbl 0647.05030
Liskovets, V. A.; Walsh, T. R.
1987
Existence of traveling wave solutions of a high-order nonlinear acoustic wave equation. Zbl 1228.76143
Chen, Min; Torres, Monica; Walsh, Timothy
2009
A divergence critic for inductive proof. Zbl 0900.68383
Walsh, T.
1996
The dual of $$H^p (R^n_+)$$ for $$p<1$$. Zbl 0255.46043
Walsh, T.
1973
Structure and enumeration of two-connected graphs with prescribed three-connected components. Zbl 1228.05172
Gagarin, Andrei; Labelle, Gilbert; Leroux, Pierre; Walsh, Timothy
2009
Finite element methods for nonlinear acoustics in fluids. Zbl 1203.76089
Walsh, Timothy; Torres, Monica
2007
Efficient enumeration of sensed planar maps. Zbl 1063.05070
Walsh, Timothy R.
2005
Generating nonisomorphic maps without storing them. Zbl 0521.05034
Walsh, T. R.
1983
On $$L^ p$$ estimates for integral transforms. Zbl 0212.14803
Walsh, T.
1971
$$hp$$ boundary element modeling of the external human auditory system – goal-oriented adaptivity with multiple load vectors. Zbl 1083.76561
Walsh, Timothy; Demkowicz, Leszek
2003
Generation of well-formed parenthesis strings in constant worst-case time. Zbl 0936.68115
Walsh, Timothy R.
1998
Inversion of cycle index sum relations for 2- and 3-connected graphs. Zbl 0728.05026
Robinson, R. W.; Walsh, T. R.
1993
A polynomial-time algorithm for counting rooted toroidal maps. Zbl 0553.05041
Walsh, T. R.
1983
Characterizing the vertex neighbourhoods of semi-regular polyhedra. Zbl 0242.52005
Walsh, T. R. S.
1972
Space-efficient generation of nonisomorphic maps and hypermaps. Zbl 1327.05158
Walsh, Timothy R.
2015
Counting maps on doughnuts. Zbl 1301.05179
Walsh, Timothy R.
2013
Enumeration of unrooted orientable maps of arbitrary genus by number of edges and vertices. Zbl 1246.05076
Walsh, Timothy R. S.; Giorgetti, Alain; Mednykh, Alexander
2012
A loop-free two-close Gray-code algorithm for listing $$k$$-ary Dyck words. Zbl 1109.68083
Vajnovszki, Vincent; Walsh, Timothy
2006
Counting rooted maps by genus. II. Erratum. Zbl 0261.05105
Walsh, T.; Lehman, A. B.
1973
Finite element methods for nonlinear acoustics in fluids. Zbl 1257.76059
Walsh, Timothy; Torres, Monica
2007
Counting unrooted loopless planar maps. Zbl 1070.05050
Liskovets, Valery A.; Walsh, Timothy R.
2005
Total vertex enumeration in rooted planar maps. Zbl 0993.05087
Koganov, Leonid M.; Liskovets, Valery A.; Walsh, Timothy R. S.
2000
Counting regions, holes, and their nesting level in time proportional to the border. Zbl 0622.68077
Atkinson, H. H.; Gargantini, I.; Walsh, T. R. S.
1985
On the size of quadtrees generalized to d-dimensional binary pictures. Zbl 0577.68080
Walsh, T. R.
1985
How evenly should one divide to conquer quickly? Zbl 0549.68034
Walsh, T. R.
1984
The k-connectedness of unlabelled graphs. Zbl 0367.05044
Walsh, T. R. S.; Wright, E. M.
1978
On the summation of conjugate Fourier integrals of functions of several variables. Zbl 0259.42037
Walsh, T.
1972
On weighted norm inequalities for fractional and singular integrals. Zbl 0221.44006
Walsh, T.
1971
Enumeration of hypermaps of a given genus. Zbl 1404.05084
Giorgetti, Alain; Walsh, Timothy R. S.
2018
Counting unrooted maps on the plane. Zbl 1112.05054
Liskovets, Valery A.; Walsh, Timothy R.
2006
Worst-case analysis of Read’s chromatic polynomial algorithm. Zbl 0933.05049
Walsh, Timothy R.
1997
Enumeration and generation of a class of regular digraphs. Zbl 0652.05020
Ramanath, M. V. S.; Walsh, T. R.
1987
A case for iteration. Zbl 0527.68017
Walsh, T. R.
1983
The busy beaver on a one-way infinite tape. Zbl 0565.68048
Walsh, T. R. S.
1982
On summability methods for conjugate Fourier-Stieltjes integrals in several variables and generalizations. Zbl 0259.42038
Walsh, T.
1973
On the existence of double singular integrals for kernels without smoothness. Zbl 0211.41901
Walsh, T.
1971
Enumeration of hypermaps of a given genus. Zbl 1404.05084
Giorgetti, Alain; Walsh, Timothy R. S.
2018
Space-efficient generation of nonisomorphic maps and hypermaps. Zbl 1327.05158
Walsh, Timothy R.
2015
Efficient enumeration of rooted maps of a given orientable genus by number of faces and vertices. Zbl 1317.05090
Walsh, Timothy R. S.; Giorgetti, Alain
2014
Counting maps on doughnuts. Zbl 1301.05179
Walsh, Timothy R.
2013
Enumeration of unrooted orientable maps of arbitrary genus by number of edges and vertices. Zbl 1246.05076
Walsh, Timothy R. S.; Giorgetti, Alain; Mednykh, Alexander
2012
Where are the hard manipulation problems? Zbl 1234.68391
Walsh, T.
2011
Existence of traveling wave solutions of a high-order nonlinear acoustic wave equation. Zbl 1228.76143
Chen, Min; Torres, Monica; Walsh, Timothy
2009
Structure and enumeration of two-connected graphs with prescribed three-connected components. Zbl 1228.05172
Gagarin, Andrei; Labelle, Gilbert; Leroux, Pierre; Walsh, Timothy
2009
Finite element methods for nonlinear acoustics in fluids. Zbl 1203.76089
Walsh, Timothy; Torres, Monica
2007
Finite element methods for nonlinear acoustics in fluids. Zbl 1257.76059
Walsh, Timothy; Torres, Monica
2007
A loop-free two-close Gray-code algorithm for listing $$k$$-ary Dyck words. Zbl 1109.68083
Vajnovszki, Vincent; Walsh, Timothy
2006
Counting unrooted maps on the plane. Zbl 1112.05054
Liskovets, Valery A.; Walsh, Timothy R.
2006
Efficient enumeration of sensed planar maps. Zbl 1063.05070
Walsh, Timothy R.
2005
Counting unrooted loopless planar maps. Zbl 1070.05050
Liskovets, Valery A.; Walsh, Timothy R.
2005
Enumeration of Eulerian and unicursal planar maps. Zbl 1051.05049
Liskovets, Valery A.; Walsh, Timothy R. S.
2004
Generating Gray codes in $$O(1)$$ worst-case time per word. Zbl 1038.68566
Walsh, Timothy
2003
$$hp$$ boundary element modeling of the external human auditory system – goal-oriented adaptivity with multiple load vectors. Zbl 1083.76561
Walsh, Timothy; Demkowicz, Leszek
2003
Gray codes for involutions. Zbl 0979.68046
Walsh, Timothy
2001
Loop-free sequencing of bounded integer compositions. Zbl 0961.68102
Walsh, Timothy R.
2000
Total vertex enumeration in rooted planar maps. Zbl 0993.05087
Koganov, Leonid M.; Liskovets, Valery A.; Walsh, Timothy R. S.
2000
HP90: A general and flexible Fortran 90 $$hp$$-FE code. Zbl 0912.68014
Demkowicz, L.; Gerdes, K.; Schwab, C.; Bajer, A.; Walsh, T.
1998
Generation of well-formed parenthesis strings in constant worst-case time. Zbl 0936.68115
Walsh, Timothy R.
1998
Worst-case analysis of Read’s chromatic polynomial algorithm. Zbl 0933.05049
Walsh, Timothy R.
1997
A divergence critic for inductive proof. Zbl 0900.68383
Walsh, T.
1996
Inversion of cycle index sum relations for 2- and 3-connected graphs. Zbl 0728.05026
Robinson, R. W.; Walsh, T. R.
1993
Ten steps to counting planar graphs. Zbl 0647.05030
Liskovets, V. A.; Walsh, T. R.
1987
Enumeration and generation of a class of regular digraphs. Zbl 0652.05020
Ramanath, M. V. S.; Walsh, T. R.
1987
Counting regions, holes, and their nesting level in time proportional to the border. Zbl 0622.68077
Atkinson, H. H.; Gargantini, I.; Walsh, T. R. S.
1985
On the size of quadtrees generalized to d-dimensional binary pictures. Zbl 0577.68080
Walsh, T. R.
1985
How evenly should one divide to conquer quickly? Zbl 0549.68034
Walsh, T. R.
1984
The enumeration of non-isomorphic 2-connected planar maps. Zbl 0519.05041
Liskovets, V. A.; Walsh, T. R. S.
1983
Iteration strikes back - at the cyclic Towers of Hanoi. Zbl 0508.68020
Walsh, T. R.
1983
Generating nonisomorphic maps without storing them. Zbl 0521.05034
Walsh, T. R.
1983
A polynomial-time algorithm for counting rooted toroidal maps. Zbl 0553.05041
Walsh, T. R.
1983
A case for iteration. Zbl 0527.68017
Walsh, T. R.
1983
Counting labelled three-connected and homeomorphically irreducible two- connected graphs. Zbl 0449.05031
Walsh, T. R. S.
1982
The towers of Hanoi revisited: Moving the rings by counting the moves. Zbl 0487.90099
Walsh, T. R.
1982
Counting unlabelled three-connected and homeomorphically irreducible two- connected graphs. Zbl 0449.05032
Walsh, T. R. S.
1982
Counting non-isomorphic three-connected planar maps. Zbl 0443.05050
Walsh, T. R. S.
1982
The busy beaver on a one-way infinite tape. Zbl 0565.68048
Walsh, T. R. S.
1982
The k-connectedness of unlabelled graphs. Zbl 0367.05044
Walsh, T. R. S.; Wright, E. M.
1978
Hypermaps versus bipartite maps. Zbl 0302.05101
Walsh, T. R. S.
1975
Counting rooted maps by genus. III: Nonseparable maps. Zbl 0299.05110
Walsh, T. R. S.; Lehman, A. B.
1975
The dual of $$H^p (R^n_+)$$ for $$p<1$$. Zbl 0255.46043
Walsh, T.
1973
Counting rooted maps by genus. II. Erratum. Zbl 0261.05105
Walsh, T.; Lehman, A. B.
1973
On summability methods for conjugate Fourier-Stieltjes integrals in several variables and generalizations. Zbl 0259.42038
Walsh, T.
1973
Counting rooted maps by genus. I. Zbl 0228.05108
Walsh, T. R. S.; Lehman, A. B.
1972
On the function of Marcinkiewicz-Stein. Zbl 0212.13603
Walsh, T.
1972
Counting rooted maps by genus. II. Zbl 0228.05109
Walsh, T.; Lehman, A. B.
1972
Characterizing the vertex neighbourhoods of semi-regular polyhedra. Zbl 0242.52005
Walsh, T. R. S.
1972
On the summation of conjugate Fourier integrals of functions of several variables. Zbl 0259.42037
Walsh, T.
1972
On $$L^ p$$ estimates for integral transforms. Zbl 0212.14803
Walsh, T.
1971
On weighted norm inequalities for fractional and singular integrals. Zbl 0221.44006
Walsh, T.
1971
On the existence of double singular integrals for kernels without smoothness. Zbl 0211.41901
Walsh, T.
1971
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#### Cited by 410 Authors

 22 Walsh, Timothy R. S. 15 Vajnovszki, Vincent 12 Liu, Yanpei 9 Arquès, Didier G. 9 Nedela, Roman 9 Wu, Huoxiong 8 Breda d’Azevedo, Antonio J. 8 Chapuy, Guillaume 8 Demkowicz, Leszek F. 8 Ding, Yong 8 Er, Mingcheng 8 Giménez, Omer 8 Noy, Marc 7 Jones, Gareth A. 7 Liskovets, Valery A. 7 Mednykh, Aleksandr Dmitrievich 6 Baril, Jean-Luc 6 Bender, Edward A. 6 Cori, Robert 6 Fusy, Éric 6 Giorgetti, Alain 6 Krasko, Evgeniĭ S. 6 Liu, Feng 6 Selvakumar, Krishnan 5 Bernardi, Olivier 5 Chen, Yanping 5 Gerdes, Klaus 5 Mansour, Toufik 5 Omel’Chenko, Alexander V. 5 Ren, Han 5 Rué, Juanjo 5 Ruskey, Frank 4 Al-Salman, Ahmad 4 Bernini, Antonio 4 Gagarin, Andrei 4 Jackson, David M. 4 Kang, Mihyun 4 Labelle, Gilbert 4 Leroux, Pierre 4 Li, Zhaoxiang 4 Pinzani, Renzo 4 Ramanathan, V. 4 Schwab, Christoph 4 Wormald, Nicholas Charles 4 Yang, Yu 3 Bilotta, Stefano 3 Bodirsky, Manuel 3 Cai, Junliang 3 Cheng, Leslie C. 3 Christov, Ivan C. 3 Dillon, Tharam Singh 3 Drmota, Michael 3 Gao, Zhicheng 3 Lehman, A. B. 3 Liu, Hongbo 3 Long, Shude 3 Lu, Xuemiao 3 Lu, Xuming 3 Machi, Antonio 3 Nassar, Ghalib 3 Nikolić, Vanja 3 Rachowicz, Waldemar 3 Stahl, Saul 3 Wang, Hua 3 Williams, Aaron Michael 3 Wohlmuth, Barbara I. 2 Amritha, V. C. 2 Brown, Daniel R. L. 2 Byfut, Andreas 2 Canfield, E. Rodney 2 Catalano, Domenico A. 2 Chen, Ricky X. F. 2 Chin-Bing, Stanley A. 2 Du, Shaofei 2 Dulucq, Serge 2 Fernandes, Maria Elisa 2 Gopalakrishna, K. 2 Gröpl, Clemens 2 Grünbaum, Branko 2 Gutierres, Gonçalo 2 Hu, Guoen 2 James, Lynne D. 2 Jordan, Pedro M. 2 Kaltenbacher, Barbara 2 Kazaryan, Maxim Eduardovich 2 Klavík, Pavel 2 Kumar, Ashisha 2 Labelle, Patrick 2 Lewanski, Danilo 2 Li, Zhongkai 2 Lionni, Luca 2 Mamede, Ricardo 2 Mao, Linfan 2 Melenk, Jens Markus 2 Micheli, Anne 2 Muckenhoupt, Benjamin 2 Mütze, Torsten 2 Pan, Yibiao 2 Panagiotou, Konstantinos D. 2 Pardo, David ...and 310 more Authors
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#### Cited in 137 Serials

 28 Discrete Mathematics 24 Journal of Combinatorial Theory. Series B 23 Theoretical Computer Science 21 European Journal of Combinatorics 11 Journal of Combinatorial Theory. Series A 11 Acta Mathematica Sinica. English Series 10 Computer Methods in Applied Mechanics and Engineering 10 Information Processing Letters 8 Journal of Mathematical Analysis and Applications 8 International Journal of Computer Mathematics 6 Discrete Applied Mathematics 6 Advances in Applied Mathematics 5 Random Structures & Algorithms 5 Journal of Mathematical Sciences (New York) 5 The Electronic Journal of Combinatorics 4 Computers & Mathematics with Applications 4 Transactions of the American Mathematical Society 4 Journal of Information & Optimization Sciences 4 Mathematical and Computer Modelling 4 Combinatorics, Probability and Computing 3 Information Sciences 3 Mathematica Slovaca 3 Journal of Algebraic Combinatorics 3 Journal of High Energy Physics 3 JMMA. Journal of Mathematical Modelling and Algorithms 3 Journal of Discrete Algorithms 2 Acta Informatica 2 Communications in Mathematical Physics 2 Journal of Computational Physics 2 Collectanea Mathematica 2 Journal of Soviet Mathematics 2 Acta Mathematicae Applicatae Sinica. English Series 2 Graphs and Combinatorics 2 Computational Mechanics 2 M$$^3$$AS. Mathematical Models & Methods in Applied Sciences 2 Elemente der Mathematik 2 Journal of Knot Theory and its Ramifications 2 Applied Mathematics. Series B (English Edition) 2 Annals of Mathematics and Artificial Intelligence 2 The Journal of Fourier Analysis and Applications 2 Frontiers of Mathematics in China 2 Ars Mathematica Contemporanea 2 Analysis and Mathematical Physics 2 Evolution Equations and Control Theory 1 Analysis Mathematica 1 Artificial Intelligence 1 Bulletin of the Australian Mathematical Society 1 Communications in Algebra 1 Indian Journal of Pure & Applied Mathematics 1 Israel Journal of Mathematics 1 Journal of Mathematical Physics 1 Letters in Mathematical Physics 1 Nuclear Physics. B 1 Wave Motion 1 The Mathematical Intelligencer 1 Beiträge zur Algebra und Geometrie 1 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie IV 1 Applied Mathematics and Computation 1 Archiv der Mathematik 1 BIT 1 Canadian Journal of Mathematics 1 Computing 1 Czechoslovak Mathematical Journal 1 Demonstratio Mathematica 1 Fundamenta Mathematicae 1 Geometriae Dedicata 1 Glasgow Mathematical Journal 1 International Journal of Computer & Information Sciences 1 International Journal for Numerical Methods in Engineering 1 Journal of Algebra 1 Journal of Computer and System Sciences 1 Journal of Functional Analysis 1 Journal of the Mathematical Society of Japan 1 Journal of Number Theory 1 Mathematics and Computers in Simulation 1 Monatshefte für Mathematik 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Proceedings of the American Mathematical Society 1 Results in Mathematics 1 Ricerche di Matematica 1 SIAM Journal on Numerical Analysis 1 Siberian Mathematical Journal 1 SIAM Journal on Algebraic and Discrete Methods 1 Acta Applicandae Mathematicae 1 Social Choice and Welfare 1 Probability Theory and Related Fields 1 Constructive Approximation 1 Discrete & Computational Geometry 1 Journal of Automated Reasoning 1 Applied Mathematics Letters 1 Journal of the American Mathematical Society 1 SIAM Journal on Discrete Mathematics 1 Forum Mathematicum 1 Journal of Integral Equations and Applications 1 Formal Aspects of Computing 1 International Journal of Mathematics 1 International Journal of Algebra and Computation 1 MSCS. Mathematical Structures in Computer Science 1 The Journal of Geometric Analysis 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences ...and 37 more Serials
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#### Cited in 47 Fields

 198 Combinatorics (05-XX) 84 Computer science (68-XX) 44 Harmonic analysis on Euclidean spaces (42-XX) 22 Numerical analysis (65-XX) 17 Partial differential equations (35-XX) 16 Manifolds and cell complexes (57-XX) 16 Fluid mechanics (76-XX) 14 Group theory and generalizations (20-XX) 13 Information and communication theory, circuits (94-XX) 12 Quantum theory (81-XX) 9 Functional analysis (46-XX) 8 Probability theory and stochastic processes (60-XX) 8 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 7 Operator theory (47-XX) 7 Convex and discrete geometry (52-XX) 6 Number theory (11-XX) 6 Commutative algebra (13-XX) 6 Algebraic geometry (14-XX) 6 Functions of a complex variable (30-XX) 6 Mechanics of deformable solids (74-XX) 5 Integral transforms, operational calculus (44-XX) 5 Geometry (51-XX) 4 Classical thermodynamics, heat transfer (80-XX) 4 Operations research, mathematical programming (90-XX) 3 Mathematical logic and foundations (03-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Dynamical systems and ergodic theory (37-XX) 2 Order, lattices, ordered algebraic structures (06-XX) 2 Real functions (26-XX) 2 Optics, electromagnetic theory (78-XX) 2 Statistical mechanics, structure of matter (82-XX) 2 Relativity and gravitational theory (83-XX) 1 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Field theory and polynomials (12-XX) 1 Nonassociative rings and algebras (17-XX) 1 Category theory; homological algebra (18-XX) 1 Special functions (33-XX) 1 Difference and functional equations (39-XX) 1 Abstract harmonic analysis (43-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Differential geometry (53-XX) 1 General topology (54-XX) 1 Algebraic topology (55-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Statistics (62-XX) 1 Biology and other natural sciences (92-XX)