Kristina Wicke
Assistant Professor, Mathematical Sciences
- kristina.wicke@njit.edu
- 973-642-4375
- 507 Cullimore Hall (CULM)
About Me
I obtained B.Sc., M.Sc., and Ph.D. degrees in Biomathematics from the University of Greifswald in Germany. I then was a President's Postdoctoral Scholar at The Ohio State University, before joining NJIT in 2022.
Education
Ph.D.; University of Greifswald; Biomathematics; 2020
M.S.; University of Greifswald; Biomathematics; 2016
B.S.; University of Greifswald; Biomathematics; 2015
Office Hours
T 4.00 - 5.00 pm and R 1.00 - 2.00 pm
2026 Fall Courses
MATH 792B - PRE DOCTORAL RESEARCH
MATH 112 - CALCULUS II- HONORS
MATH 790A - DOCT DISSERTATION & RES
Teaching Interests
Probability, Discrete Mathematics, Discrete Models in Biology, Calculus
Past Courses
MATH 111: CALCULUS I
MATH 112: CALCULUS II
MATH 244: INTRODUCTION TO PROBABILITY THEORY
MATH 345: MULTIVARIATE DISTRIBUTIONS
MATH 707: ST: INTRODUCTION TO GRAPH THEORY
Research Interests
Mathematical Phylogenetics, Graph Theory, Combinatorics
Journal Article
Mareike Fischer, Tom Niklas Hamann, Kristina Wicke. 2027. "A height-based metaconcept for rooted tree balance and its implications for the B1 index." Advances in Applied Mathematics, vol. 182, pp. 57 pages.
Mike Steel, Kristina Wicke, Arne Mooers. 2026. "Properties of biodiversity indices that incorporate future extinction risk." Systematic Biology, pp. 13 pages.
Charles Semple, Kristina Wicke. 2026. "A sharp lower bound for the number of phylogenetic trees displayed by a tree-child network." Annals of Combinatorics, pp. 23 pages.
Simone Linz, Katherine St. John, Charles Semple, Kristina Wicke. 2026. "Order-dependent dissimilarity measure on phylogenetic trees." Journal of Mathematical Biology, vol. 92, pp. 32 pages.
Simone Linz, Kristina Wicke. 2026. "What Is... Phylogenetics?." Notices of the American Mathematical Society, vol. 73, no. 2, pp. 140-143.
Ann Clifton, Éva Czabarka, Kevin Liu, Sarah Loeb, Utku Okur, László Székely, Kristina Wicke. 2026. "Reconstruction of caterpillar tanglegrams." Discrete Applied Mathematics, vol. 378, pp. 647-661.
Niels Holtgrefe, Elizabeth Allman, Hector Baños, Leo van Iersel, Vincent Moulton, John Rhodes, Kristina Wicke. 2025. "Distinguishing phylogenetic level-2 networks with quartets and inter-taxon quartet distances." Bulletin of Mathematical Biology, vol. 87, no. 12, pp. 35 pages.
Mareike Fischer, Tom Niklas Hamann, Kristina Wicke. 2025. "Metaconcepts of Rooted Tree Balance." Bulletin of Mathematical Biology, vol. 87, no. 9, pp. 56 pages.
Elizabeth S Allman, Hector Banos, John A Rhodes, Kristina Wicke. 2025. "NANUQ+: A divide-and-conquer approach to network estimation." Algorithms for Molecular Biology, vol. 20, no. 1, pp. 25 pages.
Sophie J. Kersting, Kristina Wicke, Mareike Fischer. 2025. "Tree balance in phylogenetic models." Philosophical Transactions of the Royal Society B: Biological Sciences, vol. 380, no. 1919, pp. 15 pages.
Ann Clifton, Éva Czabarka, Audace A.V. Dossou-Olory, Kevin Liu, Sarah Loeb, Utku Okur, László Székely, Kristina Wicke. 2025. "Decks of rooted binary trees." European Journal of Combinatorics, vol. 124, pp. 21 pages.
Linda Knüver, Mareike Fischer, Marc Hellmuth, Kristina Wicke. 2024. "The weighted total cophenetic index: A novel balance index for phylogenetic networks." Discrete Applied Mathematics, vol. 359, pp. 89-142.
Janosch Döcker, Simone Linz, Kristina Wicke. 2024. "Bounding the Softwired Parsimony Score of a Phylogenetic Network." Bulletin of Mathematical Biology, vol. 86, no. 10, pp. 28 pages.
Vincent Moulton, Andreas Spillner, Kristina Wicke. 2024. "Phylogenetic diversity indices from an affine and projective viewpoint." Bulletin of Mathematical Biology, vol. 86, no. 8, pp. 31 pages.
Bryan Currie, Kristina Wicke. 2024. "On the maximum value of the stairs2 index." Advances in Applied Mathematics, vol. 159, pp. 17 pages.
Kristina Wicke, Md. Rejuan Haque, Laura Kubatko. 2024. "Implications of gene tree heterogeneity on downstream phylogenetic analyses: A case study employing the Fair Proportion index." PLOS ONE, vol. 19, no. 4, pp. 12 pages.
Simone Linz, Kristina Wicke. 2023. "Exploring spaces of semi-directed level-1 networks." Journal of Mathematical Biology, vol. 87, no. 5, pp. 30 pages.
Mareike Fischer, Tom Niklas Hamann, Kristina Wicke. 2023. "How far is my network from being edge-based? Proximity measures for edge-basedness of unrooted phylogenetic networks." Discrete Applied Mathematics, vol. 337, pp. 303-320.
Mareike Fischer, Andrew Francis, Kristina Wicke. 2023. "Phylogenetic Diversity Rankings in the Face of Extinctions: The Robustness of the Fair Proportion Index." Systematic Biology, vol. 72, no. 3, pp. 606-615.
Kristina Wicke, Mareike Fischer, Laura Kubatko. 2023. "Effects of discordance between species and gene trees on phylogenetic diversity conservation." Journal of Mathematical Biology, vol. 86, no. 1, pp. 34 pages.
Magnus Bordewich, Charles Semple, Kristina Wicke. 2022. "On the complexity of optimising variants of phylogenetic diversity on phylogenetic networks." Theoretical Computer Science, vol. 917, pp. 66-80.
Sungsik Kong, Joan Carles Pons, Laura Kubatko, Kristina Wicke. 2022. "Classes of explicit phylogenetic networks and their biological and mathematical significance." Journal of Mathematical Biology, vol. 84, no. 6, pp. 44 pages.
Mareike Fischer, Michelle Galla, Kristina Wicke. 2022. "Non-binary universal tree-based networks." Journal of Graph Algorithms and Applications, vol. 26, no. 1, pp. 81-90.
Magnus Bordewich, Simone Linz, Megan Owen, Katherine St John, Charles Semple, Kristina Wicke. 2022. "On the Maximum Agreement Subtree Conjecture for Balanced Trees." SIAM Journal on Discrete Mathematics, vol. 36, no. 1, pp. 336-354.
Mareike Fischer, Lina Herbst, Michelle Galla, Yangjing Long, Kristina Wicke. 2021. "Correction to: Classes of tree-based networks." Visual Computing for Industry, Biomedicine, and Art, vol. 4, no. 1.
Remco Bouckaert, Mareike Fischer, Kristina Wicke. 2021. "Combinatorial perspectives on Dollo-k characters in phylogenetics." Advances in Applied Mathematics, vol. 131, pp. 39 pages.
Mareike Fischer, Lina Herbst, Michelle Galla, Yangjing Long, Kristina Wicke. 2021. "Unrooted non-binary tree-based phylogenetic networks." Discrete Applied Mathematics, vol. 294, pp. 10-30.
Kristina Wicke, Arne Mooers, Mike Steel. 2021. "Formal Links between Feature Diversity and Phylogenetic Diversity." Systematic Biology, vol. 70, no. 3, pp. 480-490.
Mareike Fischer, Michelle Galla, Lina Herbst, Yangjing Long, Kristina Wicke. 2020. "Classes of tree-based networks." Visual Computing for Industry, Biomedicine, and Art, vol. 3, no. 1, pp. 26 pages.
Kristina Wicke, Mareike Fischer. 2020. "Combinatorial views on persistent characters in phylogenetics." Advances in Applied Mathematics, vol. 119, pp. 43 pages.
Tomás M Coronado, Mareike Fischer, Lina Herbst, Francesc Rosselló, Kristina Wicke. 2020. "On the minimum value of the Colless index and the bifurcating trees that achieve it." Journal of Mathematical Biology, vol. 80, no. 7, pp. 1993-2054.
Kristina Wicke, Mike Steel. 2020. "Combinatorial properties of phylogenetic diversity indices." Journal of Mathematical Biology, vol. 80, no. 3, pp. 687–715 .
Michelle Galla, Kristina Wicke, Mareike Fischer. 2019. "Statistical Inconsistency of Maximum Parsimony for k-Tuple-Site Data." Bulletin of Mathematical Biology, vol. 81, no. 4, pp. 1173-1200.
Kristina Wicke, Mareike Fischer. 2019. "On the Shapley Value of Unrooted Phylogenetic Trees." Bulletin of Mathematical Biology, vol. 81, no. 2, pp. 618-638.
Kristina Wicke, Mareike Fischer. 2018. "Phylogenetic diversity and biodiversity indices on phylogenetic networks." Mathematical Biosciences, vol. 298, pp. 80-90.
Martin Unterseher, Samantha C Karunarathna, García Roberto Cruz, Nikki H Dagamac, Mathilde B Dahl, Serena E Dool, Michelle Galla, Lina Herbst, R Henrik Nilsson, Sébastien J. Puechmaille, Caroline Schöner, Michael Schöner, Abu B Siddique, Annette Teltewskoi, Kristina Wicke, David G Würth, Christian Wurzbacher, Kevin D Hyde. 2018. "Mycobiomes of sympatric Amorphophallus albispathus (Araceae) and Camellia sinensis (Theaceae) – a case study reveals clear tissue preferences and differences in diversity and composition." Mycological Progress, vol. 17, no. 4, pp. 489-500.
Kristina Wicke, Mareike Fischer. 2017. "Comparing the rankings obtained from two biodiversity indices: the Fair Proportion Index and the Shapley Value." Journal of Theoretical Biology, vol. 430, pp. 207-214.
Software
"poweRbal: Phylogenetic Tree Models and the Power of Tree Shape Statistics"
The R Foundation, June, 2024.
The R Foundation, June, 2024.
"treebalance: Computation of Tree (Im)Balance Indices"
The R Foundation, September, 2021.
The R Foundation, September, 2021.
"MSCquartets: Analyzing Gene Tree Quartets under the Multi-Species Coalescent"
The R Foundation, December, 2019.
The R Foundation, December, 2019.
Book
Mareike Fischer, Lina Herbst, Sophie Kersting, Luise Kühn, Kristina Wicke. "Tree Balance Indices - A Comprehensive Survey." 404 pp. Springer Nature Switzerland AG, 2023. ISBN 978-3-031-39799-8.
Professional
Systematic Biology
Editor, Associate Editor, 2024