pith. sign in

G. T. Przybylski

Identifiers

  • name variant G. T. Przybylski 0.60 · backfill

Papers (129)

  1. IceCube Second Track Data Release IceTracks-DR2: Data from 2008-2022 for Neutrino Source Searches astro-ph.HE · 2026 · author #283
  2. Sensitivity Projections for Low-Mass Dark Matter Annihilation with the IceCube Upgrade hep-ex · 2026 · author #283
  3. Neural posterior estimation of the neutrino direction in IceCube using transformer-encoded normalizing flows on the sphere hep-ex · 2026 · author #283
  4. Improved measurements of the TeV-PeV extragalactic neutrino spectrum from joint analyses of IceCube tracks and cascades astro-ph.HE · 2025 · author #294
  5. The IceCube Neutrino Observatory -- Contributions to the 36th International Cosmic Ray Conference (ICRC2019) astro-ph.HE · 2019 · author #239
  6. Measurement of Atmospheric Tau Neutrino Appearance with IceCube DeepCore hep-ex · 2019 · author #220
  7. All-Sky Measurement of the Anisotropy of Cosmic Rays at 10 TeV and Mapping of the Local Interstellar Magnetic Field astro-ph.HE · 2018 · author #292
  8. Search for steady point-like sources in the astrophysical muon neutrino flux with 8 years of IceCube data hep-ph · 2018 · author #217
  9. Detection of the Temporal Variation of the Sun's Cosmic Ray Shadow with the IceCube Detector astro-ph.HE · 2018 · author #218
  10. Measurements using the inelasticity distribution of multi-TeV neutrino interactions in IceCube hep-ex · 2018 · author #222
  11. Joint constraints on Galactic diffuse neutrino emission from ANTARES and IceCube astro-ph.HE · 2018 · author #348
  12. Constraints on Minute-Scale Transient Astrophysical Neutrino Sources astro-ph.HE · 2018 · author #224
  13. Differential limit on the extremely-high-energy cosmic neutrino flux in the presence of astrophysical background from nine years of IceCube data astro-ph.HE · 2018 · author #222
  14. Search for neutrinos from decaying dark matter with IceCube astro-ph.HE · 2018 · author #220
  15. A Search for Neutrino Emission from Fast Radio Bursts with Six Years of IceCube Data astro-ph.HE · 2017 · author #216
  16. Measurement of the multi-TeV neutrino cross section with IceCube using Earth absorption hep-ex · 2017 · author #212
  17. The IceCube Neutrino Observatory - Contributions to ICRC 2017 Part VI: IceCube-Gen2, the Next Generation Neutrino Observatory astro-ph.IM · 2017 · author #242
  18. The IceCube Neutrino Observatory - Contributions to ICRC 2017 Part V: Solar flares, Supernovae, Event reconstruction, Education & Outreach astro-ph.HE · 2017 · author #210
  19. The IceCube Neutrino Observatory - Contributions to ICRC 2017 Part IV: Searches for Beyond the Standard Model Physics astro-ph.HE · 2017 · author #210
  20. The IceCube Neutrino Observatory - Contributions to ICRC 2017 Part III: Cosmic Rays astro-ph.HE · 2017 · author #210
  21. The IceCube Neutrino Observatory - Contributions to ICRC 2017 Part II: Properties of the Atmospheric and Astrophysical Neutrino Flux astro-ph.HE · 2017 · author #210
  22. The IceCube Neutrino Observatory - Contributions to ICRC 2017 Part I: Searches for the Sources of Astrophysical Neutrinos astro-ph.HE · 2017 · author #210
  23. Search for Nonstandard Neutrino Interactions with IceCube DeepCore hep-ex · 2017 · author #213
  24. Neutrino Interferometry for High-Precision Tests of Lorentz Symmetry with IceCube hep-ex · 2017 · author #215
  25. Measurement of Atmospheric Neutrino Oscillations at 6-56 GeV with IceCube DeepCore hep-ex · 2017 · author #212
  26. Constraints on Galactic Neutrino Emission with Seven Years of IceCube Data astro-ph.HE · 2017 · author #210
  27. Search for Neutrinos from Dark Matter Self-Annihilations in the center of the Milky Way with 3 years of IceCube/DeepCore hep-ex · 2017 · author #210
  28. Measurement of the $\nu_{\mu}$ energy spectrum with IceCube-79 astro-ph.HE · 2017 · author #209
  29. Search for astrophysical sources of neutrinos using cascade events in IceCube astro-ph.HE · 2017 · author #210
  30. Search for High-energy Neutrinos from Gravitational Wave Event GW151226 and Candidate LVT151012 with ANTARES and IceCube astro-ph.HE · 2017 · author #327
  31. Extending the search for muon neutrinos coincident with gamma-ray bursts in IceCube data astro-ph.HE · 2017 · author #208
  32. Multiwavelength follow-up of a rare IceCube neutrino multiplet astro-ph.HE · 2017 · author #207
  33. Search for sterile neutrino mixing using three years of IceCube DeepCore data hep-ex · 2017 · author #207
  34. Neutrinos and Cosmic Rays Observed by IceCube astro-ph.HE · 2017 · author #205
  35. The IceCube Realtime Alert System astro-ph.HE · 2016 · author #206
  36. Search for annihilating dark matter in the Sun with 3 years of IceCube data astro-ph.HE · 2016 · author #206
  37. The contribution of Fermi-2LAC blazars to the diffuse TeV-PeV neutrino flux astro-ph.HE · 2016 · author #222
  38. All-sky search for time-integrated neutrino emission from astrophysical sources with 7 years of IceCube data astro-ph.HE · 2016 · author #210
  39. First search for dark matter annihilations in the Earth with the IceCube Detector astro-ph.HE · 2016 · author #214
  40. Observation and Characterization of a Cosmic Muon Neutrino Flux from the Northern Hemisphere using six years of IceCube data astro-ph.HE · 2016 · author #213
  41. Constraints on ultra-high-energy cosmic ray sources from a search for neutrinos above 10 PeV with IceCube astro-ph.HE · 2016 · author #213
  42. Search for Sources of High Energy Neutrons with Four Years of Data from the IceTop Detector astro-ph.HE · 2016 · author #212
  43. All-flavour Search for Neutrinos from Dark Matter Annihilations in the Milky Way with IceCube/DeepCore astro-ph.HE · 2016 · author #221
  44. Lowering IceCube's Energy Threshold for Point Source Searches in the Southern Sky astro-ph.HE · 2016 · author #221
  45. Anisotropy in Cosmic-Ray Arrival Directions in the Southern Hemisphere with Six Years of Data from the IceCube Detector astro-ph.HE · 2016 · author #220
  46. An All-Sky Search for Three Flavors of Neutrinos from Gamma-Ray Bursts with the IceCube Neutrino Observatory astro-ph.HE · 2016 · author #220
  47. Improved limits on dark matter annihilation in the Sun with the 79-string IceCube detector and implications for supersymmetry hep-ph · 2016 · author #217
  48. Search for correlations between the arrival directions of IceCube neutrino events and ultrahigh-energy cosmic rays detected by the Pierre Auger Observatory and the Telescope Array astro-ph.HE · 2015 · author #210
  49. First combined search for neutrino point-sources in the Southern Hemisphere with the ANTARES and IceCube neutrino telescopes hep-ex · 2015 · author #331
  50. Searches for Relativistic Magnetic Monopoles in IceCube astro-ph.HE · 2015 · author #210
  51. IceCube-Gen2 - The Next Generation Neutrino Observatory at the South Pole: Contributions to ICRC 2015 astro-ph.IM · 2015 · author #232
  52. The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part V: Neutrino Oscillations and Supernova Searches astro-ph.HE · 2015 · author #213
  53. The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part IV: Searches for Dark Matter and Exotic Particles astro-ph.HE · 2015 · author #213
  54. The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part III: Cosmic Rays astro-ph.HE · 2015 · author #213
  55. The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part II: Atmospheric and Astrophysical Diffuse Neutrino Searches of All Flavors astro-ph.HE · 2015 · author #213
  56. The IceCube Neutrino Observatory - Contributions to ICRC 2015 Part I: Point Source Searches astro-ph.HE · 2015 · author #213
  57. Search for Astrophysical Tau Neutrinos in Three Years of IceCube Data astro-ph.HE · 2015 · author #212
  58. Search for Transient Astrophysical Neutrino Emission with IceCube-DeepCore astro-ph.HE · 2015 · author #212
  59. Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube astro-ph.HE · 2015 · author #210
  60. A combined maximum-likelihood analysis of the high-energy astrophysical neutrino flux measured with IceCube astro-ph.HE · 2015 · author #210
  61. Characterization of the Atmospheric Muon Flux in IceCube astro-ph.HE · 2015 · author #213
  62. Search for Dark Matter Annihilation in the Galactic Center with IceCube-79 astro-ph.HE · 2015 · author #211
  63. Measurement of the Atmospheric $\nu_e$ Spectrum with IceCube astro-ph.HE · 2015 · author #208
  64. Searches for Time Dependent Neutrino Sources with IceCube Data from 2008 to 2012 astro-ph.HE · 2015 · author #206
  65. Flavor Ratio of Astrophysical Neutrinos above 35 TeV in IceCube astro-ph.HE · 2015 · author #201
  66. Search for Prompt Neutrino Emission from Gamma-Ray Bursts with IceCube astro-ph.HE · 2014 · author #201
  67. IceCube-Gen2: A Vision for the Future of Neutrino Astronomy in Antarctica astro-ph.HE · 2014 · author #219
  68. Determining neutrino oscillation parameters from atmospheric muon neutrino disappearance with three years of IceCube DeepCore data hep-ex · 2014 · author #204
  69. Atmospheric and Astrophysical Neutrinos above 1 TeV Interacting in IceCube astro-ph.HE · 2014 · author #204
  70. Development of a General Analysis and Unfolding Scheme and its Application to Measure the Energy Spectrum of Atmospheric Neutrinos with IceCube astro-ph.HE · 2014 · author #203
  71. Searches for small-scale anisotropies from neutrino point sources with three years of IceCube data astro-ph.HE · 2014 · author #202
  72. Multimessenger Search for Sources of Gravitational Waves and High-Energy Neutrinos: Results for Initial LIGO-Virgo and IceCube astro-ph.HE · 2014 · author #203
  73. Multipole analysis of IceCube data to search for dark matter accumulated in the Galactic halo astro-ph.HE · 2014 · author #201
  74. Searches for Extended and Point-like Neutrino Sources with Four Years of IceCube Data astro-ph.HE · 2014 · author #203
  75. Observation of High-Energy Astrophysical Neutrinos in Three Years of IceCube Data astro-ph.HE · 2014 · author #198
  76. Search for non-relativistic Magnetic Monopoles with IceCube astro-ph.CO · 2014 · author #196
  77. Search for neutrino-induced particle showers with IceCube-40 astro-ph.HE · 2013 · author #193
  78. Search for a diffuse flux of astrophysical muon neutrinos with the IceCube 59-string configuration astro-ph.HE · 2013 · author #193
  79. The IceProd Framework: Distributed Data Processing for the IceCube Neutrino Observatory cs.DC · 2013 · author #191
  80. Evidence for High-Energy Extraterrestrial Neutrinos at the IceCube Detector astro-ph.HE · 2013 · author #188
  81. Energy Reconstruction Methods in the IceCube Neutrino Telescope physics.ins-det · 2013 · author #191
  82. Probing the origin of cosmic-rays with extremely high energy neutrinos using the IceCube Observatory astro-ph.HE · 2013 · author #187
  83. The IceCube Neutrino Observatory Part VI: Ice Properties, Reconstruction and Future Developments astro-ph.HE · 2013 · author #189
  84. The IceCube Neutrino Observatory Part V: Neutrino Oscillations and Supernova Searches astro-ph.HE · 2013 · author #189
  85. The IceCube Neutrino Observatory Part IV: Searches for Dark Matter and Exotic Particles astro-ph.HE · 2013 · author #189
  86. The IceCube Neutrino Observatory Part III: Cosmic Rays astro-ph.HE · 2013 · author #189
  87. The IceCube Neutrino Observatory Part II: Atmospheric and Diffuse UHE Neutrino Searches of All Flavors astro-ph.HE · 2013 · author #189
  88. The IceCube Neutrino Observatory Part I: Point Source Searches astro-ph.HE · 2013 · author #189
  89. Improvement in Fast Particle Track Reconstruction with Robust Statistics astro-ph.IM · 2013 · author #187
  90. Search for time-independent neutrino emission from astrophysical sources with 3 years of IceCube data astro-ph.HE · 2013 · author #189
  91. IceCube Search for Dark Matter Annihilation in nearby Galaxies and Galaxy Clusters astro-ph.HE · 2013 · author #189
  92. Observation of the cosmic-ray shadow of the Moon with IceCube astro-ph.HE · 2013 · author #191
  93. First observation of PeV-energy neutrinos with IceCube astro-ph.HE · 2013 · author #191
  94. Measurement of South Pole ice transparency with the IceCube LED calibration system astro-ph.IM · 2013 · author #184
  95. Measurement of the Atmospheric $\nu_e$ flux in IceCube hep-ex · 2012 · author #185
  96. Search for dark matter annihilations in the Sun with the 79-string IceCube detector astro-ph.HE · 2012 · author #185
  97. Search for Galactic PeV Gamma Rays with the IceCube Neutrino Observatory astro-ph.HE · 2012 · author #185
  98. Observation of Cosmic Ray Anisotropy with the IceTop Air Shower Array astro-ph.HE · 2012 · author #183
  99. Search for Neutrinos from Annihilating Dark Matter in the Direction of the Galactic Center with the 40-String IceCube Neutrino Observatory hep-ex · 2012 · author #182
  100. Searches for high-energy neutrino emission in the Galaxy with the combined IceCube-AMANDA detector astro-ph.HE · 2012 · author #181
  101. Search for Relativistic Magnetic Monopoles with IceCube astro-ph.HE · 2012 · author #181
  102. An improved method for measuring muon energy using the truncated mean of dE/dx physics.data-an · 2012 · author #185
  103. Lateral Distribution of Muons in IceCube Cosmic Ray Events astro-ph.HE · 2012 · author #185
  104. IceTop: The surface component of IceCube astro-ph.IM · 2012 · author #187
  105. Cosmic Ray Composition and Energy Spectrum from 1-30 PeV Using the 40-String Configuration of IceTop and IceCube astro-ph.HE · 2012 · author #183
  106. Use of event-level neutrino telescope data in global fits for theories of new physics hep-ph · 2012 · author #186
  107. An Absence of Neutrinos Associated with Cosmic Ray Acceleration in Gamma-Ray Bursts astro-ph.HE · 2012 · author #178
  108. A Search for UHE Tau Neutrinos with IceCube astro-ph.HE · 2012 · author #172
  109. All-particle cosmic ray energy spectrum measured with 26 IceTop stations astro-ph.HE · 2012 · author #174
  110. Multi-year search for dark matter annihilations in the Sun with the AMANDA-II and IceCube detectors astro-ph.HE · 2011 · author #179
  111. Searching for soft relativistic jets in Core-collapse Supernovae with the IceCube Optical Follow-up Program astro-ph.HE · 2011 · author #180
  112. Observation of an Anisotropy in the Galactic Cosmic Ray arrival direction at 400 TeV with IceCube hep-ex · 2011 · author #180
  113. Searches for periodic neutrino emission from binary systems with 22 and 40 strings of IceCube astro-ph.HE · 2011 · author #179
  114. IceCube Sensitivity for Low-Energy Neutrinos from Nearby Supernovae astro-ph.HE · 2011 · author #180
  115. Neutrino analysis of the September 2010 Crab Nebula flare and time-integrated constraints on neutrino emission from the Crab using IceCube astro-ph.HE · 2011 · author #185
  116. Observation of Anisotropy in the Arrival Directions of Galactic Cosmic Rays at Multiple Angular Scales with IceCube astro-ph.HE · 2011 · author #185
  117. A Search for a Diffuse Flux of Astrophysical Muon Neutrinos with the IceCube 40-String Detector astro-ph.HE · 2011 · author #181
  118. Time-Dependent Searches for Point Sources of Neutrinos with the 40-String and 22-String Configurations of IceCube astro-ph.HE · 2011 · author #183
  119. Constraints on the Extremely-high Energy Cosmic Neutrino Flux with the IceCube 2008-2009 Data astro-ph.CO · 2011 · author #181
  120. Background studies for acoustic neutrino detection at the South Pole astro-ph.IM · 2011 · author #182
  121. Constraints on high-energy neutrino emission from SN 2008D astro-ph.HE · 2011 · author #179
  122. Search for Dark Matter from the Galactic Halo with the IceCube Neutrino Observatory astro-ph.HE · 2011 · author #182
  123. First search for atmospheric and extraterrestrial neutrino-induced cascades with the IceCube detector astro-ph.HE · 2011 · author #184
  124. Limits on Neutrino Emission from Gamma-Ray Bursts with the 40 String IceCube Detector astro-ph.HE · 2011 · author #183
  125. Search for a Lorentz-violating sidereal signal with atmospheric neutrinos in IceCube astro-ph.HE · 2010 · author #178
  126. Measurement of the atmospheric neutrino energy spectrum from 100 GeV to 400 TeV with IceCube astro-ph.HE · 2010 · author #178
  127. The first search for extremely-high energy cosmogenic neutrinos with the IceCube Neutrino Observatory astro-ph.CO · 2010 · author #175
  128. IceCube Collaboration Contributions to the 2009 International Cosmic Ray Conference astro-ph.HE · 2010 · author #180
  129. Calibration and Characterization of the IceCube Photomultiplier Tube astro-ph.IM · 2010 · author #178

Mentions

  • 1511.02149 #331 · backfill · confidence 0.70 G. T. Przybylski
  • 1511.01350 #210 · backfill · confidence 0.70 G. T. Przybylski
  • 1510.05228 #232 · backfill · confidence 0.70 G. T. Przybylski
  • 1510.05227 #213 · backfill · confidence 0.70 G. T. Przybylski
  • 1510.05226 #213 · backfill · confidence 0.70 G. T. Przybylski
  • 1510.05225 #213 · backfill · confidence 0.70 G. T. Przybylski
  • 1510.05223 #213 · backfill · confidence 0.70 G. T. Przybylski
  • 1510.05222 #213 · backfill · confidence 0.70 G. T. Przybylski
  • 1509.06212 #212 · backfill · confidence 0.70 G. T. Przybylski
  • 1509.05029 #212 · backfill · confidence 0.70 G. T. Przybylski
  • 1507.04005 #210 · backfill · confidence 0.70 G. T. Przybylski
  • 1507.03991 #210 · backfill · confidence 0.70 G. T. Przybylski
  • 1506.07981 #213 · backfill · confidence 0.70 G. T. Przybylski
  • 1505.07259 #211 · backfill · confidence 0.70 G. T. Przybylski
  • 1504.03753 #208 · backfill · confidence 0.70 G. T. Przybylski
  • 1503.00598 #206 · backfill · confidence 0.70 G. T. Przybylski
  • 1502.03376 #201 · backfill · confidence 0.70 G. T. Przybylski
  • 1412.6510 #201 · backfill · confidence 0.70 G. T. Przybylski
  • 1412.5106 #219 · backfill · confidence 0.70 G. T. Przybylski
  • 1410.7227 #204 · backfill · confidence 0.70 G. T. Przybylski
  • 1410.1749 #204 · backfill · confidence 0.70 G. T. Przybylski
  • 1409.4535 #203 · backfill · confidence 0.70 G. T. Przybylski
  • 1408.0634 #202 · backfill · confidence 0.70 G. T. Przybylski
  • 1407.1042 #203 · backfill · confidence 0.70 G. T. Przybylski
  • 1406.6868 #201 · backfill · confidence 0.70 G. T. Przybylski
  • 1406.6757 #203 · backfill · confidence 0.70 G. T. Przybylski
  • 1405.5303 #198 · backfill · confidence 0.70 G. T. Przybylski
  • 1402.3460 #196 · backfill · confidence 0.70 G. T. Przybylski
  • 1312.0104 #193 · backfill · confidence 0.70 G. T. Przybylski
  • 1311.7048 #193 · backfill · confidence 0.70 G. T. Przybylski
  • 1311.5904 #191 · backfill · confidence 0.70 G. T. Przybylski
  • 1311.5238 #188 · backfill · confidence 0.70 G. T. Przybylski
  • 1311.4767 #191 · backfill · confidence 0.70 G. T. Przybylski
  • 1310.5477 #187 · backfill · confidence 0.70 G. T. Przybylski
  • 1309.7010 #189 · backfill · confidence 0.70 G. T. Przybylski
  • 1309.7008 #189 · backfill · confidence 0.70 G. T. Przybylski
  • 1309.7007 #189 · backfill · confidence 0.70 G. T. Przybylski
  • 1309.7006 #189 · backfill · confidence 0.70 G. T. Przybylski
  • 1309.7003 #189 · backfill · confidence 0.70 G. T. Przybylski
  • 1309.6979 #189 · backfill · confidence 0.70 G. T. Przybylski
  • 1308.5501 #187 · backfill · confidence 0.70 G. T. Przybylski
  • 1307.6669 #189 · backfill · confidence 0.70 G. T. Przybylski
  • 1307.3473 #189 · backfill · confidence 0.70 G. T. Przybylski
  • 1305.6811 #191 · backfill · confidence 0.70 G. T. Przybylski
  • 1304.5356 #191 · backfill · confidence 0.70 G. T. Przybylski
  • 1301.5361 #184 · backfill · confidence 0.70 G. T. Przybylski
  • 1212.4760 #185 · backfill · confidence 0.70 G. T. Przybylski
  • 1212.4097 #185 · backfill · confidence 0.70 G. T. Przybylski
  • 1210.7992 #185 · backfill · confidence 0.70 G. T. Przybylski
  • 1210.5278 #183 · backfill · confidence 0.70 G. T. Przybylski
  • 1210.3557 #182 · backfill · confidence 0.70 G. T. Przybylski
  • 1210.3273 #181 · backfill · confidence 0.70 G. T. Przybylski
  • 1208.4861 #181 · backfill · confidence 0.70 G. T. Przybylski
  • 1208.3430 #185 · backfill · confidence 0.70 G. T. Przybylski
  • 1208.2979 #185 · backfill · confidence 0.70 G. T. Przybylski
  • 1207.6326 #187 · backfill · confidence 0.70 G. T. Przybylski
  • 1207.3455 #183 · backfill · confidence 0.70 G. T. Przybylski
  • 1207.0810 #186 · backfill · confidence 0.70 G. T. Przybylski
  • 1204.4219 #178 · backfill · confidence 0.70 G. T. Przybylski
  • 1202.4564 #172 · backfill · confidence 0.70 G. T. Przybylski
  • 1202.3039 #174 · backfill · confidence 0.70 G. T. Przybylski
  • 1112.1840 #179 · backfill · confidence 0.70 G. T. Przybylski
  • 1111.7030 #180 · backfill · confidence 0.70 G. T. Przybylski
  • 1109.1017 #180 · backfill · confidence 0.70 G. T. Przybylski
  • 1108.3023 #179 · backfill · confidence 0.70 G. T. Przybylski
  • 1108.0171 #180 · backfill · confidence 0.70 G. T. Przybylski
  • 1106.3484 #185 · backfill · confidence 0.70 G. T. Przybylski
  • 1105.2326 #185 · backfill · confidence 0.70 G. T. Przybylski
  • 1104.5187 #181 · backfill · confidence 0.70 G. T. Przybylski
  • 1104.0075 #183 · backfill · confidence 0.70 G. T. Przybylski
  • 1103.4250 #181 · backfill · confidence 0.70 G. T. Przybylski
  • 1103.1216 #182 · backfill · confidence 0.70 G. T. Przybylski
  • 2605.19040 #283 · arxiv_oai · confidence 0.70 G. T. Przybylski
  • 1101.3942 #179 · backfill · confidence 0.70 G. T. Przybylski
  • 1101.3349 #182 · backfill · confidence 0.70 G. T. Przybylski
  • 1101.1692 #184 · backfill · confidence 0.70 G. T. Przybylski
  • 1101.1448 #183 · backfill · confidence 0.70 G. T. Przybylski
  • 1010.4096 #178 · backfill · confidence 0.70 G. T. Przybylski
  • 1010.3980 #178 · backfill · confidence 0.70 G. T. Przybylski
  • 1009.1442 #175 · backfill · confidence 0.70 G. T. Przybylski
  • 1004.2093 #180 · backfill · confidence 0.70 G. T. Przybylski
  • 1002.2442 #178 · backfill · confidence 0.70 G. T. Przybylski

Frequent Coauthors