Richard Helgason: search on Z-Library

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1

Current inventory approach overestimates the effect of irrigated crop management on soil-derived greenhouse gas emissions in the semi-arid Canadian Prairies

David, Cody, Lemke, Reynald, Helgason, Warren, Farrell, Richard E.

Journal:

Agricultural Water Management

Year:

2018

Language:

english

File:

PDF, 1.90 MB

english, 2018

2

The frequency assignment problem: A solution via nonlinear programming

J. David Allen, Richard V. Helgason, Jeffery L. Kennington

Journal:

Naval Research Logistics (NRL)

Year:

1987

Language:

english

File:

PDF, 332 KB

english, 1987

3

The one-to-one shortest-path problem: An empirical analysis with the two-tree Dijkstra algorithm

Richard V. Helgason, Jeffery L. Kennington, B. Douglas Stewart

Journal:

Computational Optimization and Applications

Year:

1993

Language:

english

File:

PDF, 1.34 MB

english, 1993

4

Increasing flooding frequency alters soil microbial communities and functions under laboratory conditions

Randle-Boggis, Richard J., Ashton, Peter D., Helgason, Thorunn

Journal:

MicrobiologyOpen

Year:

2017

Language:

english

File:

PDF, 1.00 MB

english, 2017

5

[Operations Research/Computer Science Interfaces Series] Interfaces in Computer Science and Operations Research Volume 7 || Tabu Search and Adaptive Memory Programming — Advances, Applications and Challenges

Barr, Richard S., Helgason, Richard V., Kennington, Jeffery L.

Year:

1997

Language:

english

File:

PDF, 9.77 MB

english, 1997

6

Foreword

Richard V. Helgason, Jeffery L. Kennington

Journal:

Annals of Operations Research

Year:

1989

Language:

english

File:

PDF, 132 KB

english, 1989

7

Electronic screen use and selected somatic symptoms in 10–12year old children

Taehtinen, Richard E., Sigfusdottir, Inga Dora, Helgason, Asgeir R., Kristjansson, Alfgeir L.

Journal:

Preventive Medicine

Year:

2014

Language:

english

File:

PDF, 229 KB

english, 2014

8

Exophiala salmonis infection in Atlantic salmon Salmo salar L.

R. H. RICHARDS, A. HOLLIMAN, S. HELGASON

Journal:

Journal of Fish Diseases

Year:

1978

Language:

english

File:

PDF, 9.17 MB

english, 1978

9

The SPLASH and Chandra COSMOS Legacy Survey: The Cross-power between Near-infrared and X-Ray Background Fluctuations

Li, Yanxia, Cappelluti, Nico, Arendt, Richard G., Hasinger, Günther, Kashlinsky, Alexander, Helgason, Kari

Journal:

The Astrophysical Journal

Year:

2018

Language:

english

File:

PDF, 2.88 MB

english, 2018

10

A matrix method for ordinary differential eigenvalue problems

John Gary, Richard Helgason

Journal:

Journal of Computational Physics

Year:

1970

Language:

english

File:

PDF, 919 KB

english, 1970

11

[Handbooks in Operations Research and Management Science] Network Models Volume 7 || Chapter 2 Primal simplex algorithms for minimum cost network flows

Helgason, Richard V.

Year:

1995

Language:

english

File:

PDF, 1.83 MB

english, 1995

12

The SPLASH and Chandra COSMOS Legacy Survey: The Cross-power between Near-infrared and X-Ray Background Fluctuations

Li, Yanxia, Cappelluti, Nico, Arendt, Richard G., Hasinger, Günther, Kashlinsky, Alexander, Helgason, Kari

Journal:

The Astrophysical Journal

Year:

2018

File:

PDF, 2.88 MB

2018

13

[Operations Research/Computer Science Interfaces Series] Interfaces in Computer Science and Operations Research Volume 7 || Solving Large Scale Crew Scheduling Problems

Barr, Richard S., Helgason, Richard V., Kennington, Jeffery L.

Year:

1997

Language:

english

File:

PDF, 1.53 MB

english, 1997

14

A typing scheme for the honeybee pathogen Melissococcus plutonius allows detection of disease transmission events and a study of the distribution of variants

Haynes, Edward, Helgason, Thorunn, Young, J. Peter W., Thwaites, Richard, Budge, Giles E.

Journal:

Environmental Microbiology Reports

Year:

2013

Language:

english

File:

PDF, 167 KB

english, 2013

15

The basis suppression method

Bruce W. Patty, Richard V. Helgason

Journal:

Annals of Operations Research

Year:

1989

Language:

english

File:

PDF, 686 KB

english, 1989

16

Fontan operation for complex congenital heart defects other than tricuspid atresia

Hrodmar Helgason, John E. Mayer, Stephen P. Sanders, Peter Lang, Richard A. Jonas, Aldo R. Castaneda

Journal:

American Heart Journal

Year:

1985

Language:

english

File:

PDF, 131 KB

english, 1985

17

Improved Efficiency of the Frank-Wolfe Algorithm for Convex Network Programs

LARRY J. LeBLANC, RICHARD V. HELGASON and DAVID E. BOYCE

Journal:

Transportation Science

Year:

1985

Language:

english

File:

PDF, 1.05 MB

english, 1985

18

A direct simplex algorithm for network flow problems with convex piecewise linear costs

Murthy, Rajluxmi V., Helgason, Richard V.

Journal:

Optimization Methods and Software

Year:

1994

Language:

english

File:

PDF, 486 KB

english, 1994

19

An Efficient Procedure for Implementing a Dual Simplex Network Flow Algorithm

Helgason, Richard V., Kennington, Jeff L.

Journal:

A I I E Transactions

Year:

1977

Language:

english

File:

PDF, 460 KB

english, 1977

20

Synthesis and structural determination of the new oxide fluoride BaFeO2F

Richard Heap, Peter R. Slater, Frank J. Berry, Orn Helgason, Adrian J. Wright

Journal:

Solid State Communications

Year:

2007

Language:

english

File:

PDF, 478 KB

english, 2007

21

Project Balances as Division Coefficients and Implications for Rate of Return Analysis

Dearing, Ronald D., Helgason, Richard V.

Journal:

The Engineering Economist

Year:

2010

Language:

english

File:

PDF, 157 KB

english, 2010

22

[Operations Research/Computer Science Interfaces Series] Interfaces in Computer Science and Operations Research Volume 7 || A Cooperative Multi-Agent Approach to Constrained Project Scheduling

Barr, Richard S., Helgason, Richard V., Kennington, Jeffery L.

Year:

1997

Language:

english

File:

PDF, 1.91 MB

english, 1997

23

Improved Efficiency of the Frank-Wolfe Algorithm for Convex Network Programs

LeBlanc, Larry J., Helgason, Richard V., Boyce, David E.

Journal:

Transportation Science

Year:

1985

Language:

english

File:

PDF, 749 KB

english, 1985

24

Extending the limits for modified Fontan procedures

Mayer, John E., Helgason, Hrodmar, Jonas, Richard A., Lang, Peter, Vargas, Florentino J., Cook, Nancy, Castaneda, Aldo R.

Journal:

The Journal of Thoracic and Cardiovascular Surgery

Year:

1986

File:

PDF, 780 KB

1986

25

An extension of FORTRAN containing finite difference operators

John Gary, Richard Helgason

Journal:

Software: Practice and Experience

Year:

1972

Language:

english

File:

PDF, 868 KB

english, 1972

26

Evaluating techniques for metagenome annotation using simulated sequence data

Randle-Boggis, Richard J., Helgason, Thorunn, Sapp, Melanie, Ashton, Peter D., Anderson, Ian

Journal:

FEMS Microbiology Ecology

Year:

2016

Language:

english

File:

PDF, 8.48 MB

english, 2016

27

Bias corrections of precipitation measurements across experimental sites in different ecoclimatic regions of western Canada

Pan, Xicai, Yang, Daqing, Li, Yanping, Barr, Alan, Helgason, Warren, Hayashi, Masaki, Marsh, Philip, Pomeroy, John, Janowicz, Richard J.

Journal:

Year:

2016

Language:

english

File:

PDF, 6.09 MB

english, 2016

28

A generalization of Polyak's convergence result for subgradient optimization

Ellen Allen, Richard Helgason, Jeffery Kennington, Bala Shetty

Journal:

Mathematical Programming

Year:

1987

Language:

english

File:

PDF, 412 KB

english, 1987

29

Fundamentals of Network Analysisby Don T. Phillips; Alberto Garcia-Diaz

Review by: Richard V. Helgason and Balakrishna Shetty

Journal:

Year:

1982

Language:

english

File:

PDF, 412 KB

english, 1982

30

A new storage reduction technique for the solution of the group problem

Helgason, Richard V., Kennington, Jeff L.

Journal:

Naval Research Logistics Quarterly

Year:

1979

Language:

english

File:

PDF, 345 KB

english, 1979

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