John Locker

777 total citations
39 papers, 491 citations indexed

About

John Locker is a scholar working on Mathematical Physics, Computational Theory and Mathematics and Applied Mathematics. According to data from OpenAlex, John Locker has authored 39 papers receiving a total of 491 indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Mathematical Physics, 21 papers in Computational Theory and Mathematics and 16 papers in Applied Mathematics. Recurrent topics in John Locker's work include Spectral Theory in Mathematical Physics (15 papers), Differential Equations and Boundary Problems (14 papers) and Advanced Mathematical Modeling in Engineering (13 papers). John Locker is often cited by papers focused on Spectral Theory in Mathematical Physics (15 papers), Differential Equations and Boundary Problems (14 papers) and Advanced Mathematical Modeling in Engineering (13 papers). John Locker collaborates with scholars based in United States. John Locker's co-authors include Patrick Lang, P. M. Prenter, R. Kannan, D. R. Dunninger and Klaus Böhmer and has published in prestigious journals such as Mathematics of Computation, SIAM Journal on Numerical Analysis and Journal of Mathematical Analysis and Applications.

In The Last Decade

John Locker

35 papers receiving 331 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
John Locker United States	13	283	250	212	131	61	39	491
J. Barros-Neto United States	7	180 0.6×	175 0.7×	259 1.2×	77 0.6×	62 1.0×	23	485
Bùi An Tôn Canada	9	190 0.7×	160 0.6×	188 0.9×	63 0.5×	64 1.0×	64	387
P. P. Zabreyko Japan	2	205 0.7×	153 0.6×	304 1.4×	110 0.8×	100 1.6×	2	542
Jerrold Bebernes United States	5	166 0.6×	231 0.9×	344 1.6×	188 1.4×	129 2.1×	5	595
F. Mignot France	7	120 0.4×	514 2.1×	250 1.2×	85 0.6×	59 1.0×	13	660
D. Sather United States	11	99 0.3×	102 0.4×	110 0.5×	56 0.4×	44 0.7×	33	321
Hans Wallin Sweden	11	292 1.0×	270 1.1×	505 2.4×	79 0.6×	15 0.2×	44	731
Petr P. Zabrejko Germany	10	284 1.0×	270 1.1×	450 2.1×	255 1.9×	80 1.3×	41	889
A. Libin United States	4	116 0.4×	153 0.6×	148 0.7×	101 0.8×	55 0.9×	6	381
David Louvish	2	115 0.4×	154 0.6×	144 0.7×	101 0.8×	53 0.9×	4	352

Countries citing papers authored by John Locker

Since Specialization

Citations

This map shows the geographic impact of John Locker's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John Locker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Locker more than expected).

Fields of papers citing papers by John Locker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Locker. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John Locker. The network helps show where John Locker may publish in the future.

Co-authorship network of co-authors of John Locker

This figure shows the co-authorship network connecting the top 25 collaborators of John Locker. A scholar is included among the top collaborators of John Locker based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with John Locker. John Locker is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Locker, John. (1999). Spectral Theory of Non-Self-Adjoint Two-Point Differential Operators. Mathematical surveys and monographs. 71 indexed citations

Locker, John. (1994). The Spectral Theory of Second Order Two-Point Differential Operators II. Asymptotic Expansions and the Characteristic Determinant. Journal of Differential Equations. 114(1). 272–287. 6 indexed citations

Locker, John & Patrick Lang. (1992). Eigenfunction expansions for the nonspectral differential operators determined by −D2. Journal of Differential Equations. 96(2). 318–339. 1 indexed citations

Locker, John. (1991). The nonspectral Birkhoff-regular differential operators determined by −D2. Journal of Mathematical Analysis and Applications. 154(1). 243–254. 5 indexed citations

Lang, Patrick & John Locker. (1990). Spectral theory of two-point differential operators determined by −D2. II. Analysis of cases. Journal of Mathematical Analysis and Applications. 146(1). 148–191. 32 indexed citations

Lang, Patrick & John Locker. (1989). Spectral theory of two-point differential operators determined by −D2. I. Spectral properties. Journal of Mathematical Analysis and Applications. 141(2). 538–558. 23 indexed citations

Lang, Patrick & John Locker. (1988). Spectral representation of the resolvent of a discrete operator. Journal of Functional Analysis. 79(1). 18–31. 9 indexed citations

Lang, Patrick & John Locker. (1988). Spectral decomposition of a Hilbert space by a Fredholm operator. Journal of Functional Analysis. 79(1). 9–17. 12 indexed citations

Locker, John. (1986). Functional analysis and two-point differential operators. Medical Entomology and Zoology. 19 indexed citations

10.

Locker, John & P. M. Prenter. (1980). Regularization with differential operators. I. General theory. Journal of Mathematical Analysis and Applications. 74(2). 504–529. 52 indexed citations

11.

Kannan, R. & John Locker. (1978). Nonlinear boundary value problems and operators TT∗. Journal of Differential Equations. 28(1). 60–103. 8 indexed citations

12.

Kannan, R. & John Locker. (1977). On a class of nonlinear boundary value problems. Journal of Differential Equations. 26(1). 1–8. 23 indexed citations

13.

Kannan, R. & John Locker. (1976). Operators J∗J and nonlinear Hammerstein equations. Journal of Mathematical Analysis and Applications. 53(1). 1–6. 3 indexed citations

14.

Locker, John. (1976). . Indiana University Mathematics Journal. 25(6). 525–525. 1 indexed citations

15.

Locker, John. (1975). On Constructing Least Squares Solutions to Two-Point Boundary Value Problems. Transactions of the American Mathematical Society. 203. 175–175. 5 indexed citations

16.

Locker, John. (1972). LEAST SQUARES AND BOUNDARY VALUE PROBLEMS FOR LINEAR SYSTEMS. The Quarterly Journal of Mathematics. 23(1). 91–96. 1 indexed citations

17.

Locker, John. (1971). The Method of Least Squares for Boundary Value Problems. Transactions of the American Mathematical Society. 154. 57–57. 5 indexed citations

18.

Locker, John. (1971). The method of least squares for boundary value problems. Transactions of the American Mathematical Society. 154. 57–57. 5 indexed citations

19.

Locker, John. (1967). An Existence Analysis for Nonlinear Equations in Hilbert Space. Transactions of the American Mathematical Society. 128(3). 403–403. 2 indexed citations

20.

Locker, John. (1967). An existence analysis for nonlinear equations in Hilbert space. Transactions of the American Mathematical Society. 128(3). 403–413. 23 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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