Krzysztof Ciesielski's
Some resent presentations
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Continuous, differentiable, and twice differentiable functions: How big are the gaps between these classes?, June 2012.
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On functions on Rn continuous when restricted to nice curves or surfaces, October 2012.
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The Minimum Barrier Distance Transform, November 2012.
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Delineating objects in images via minimization of lp energies;
spanning forests via Dijkstra's and Kruskal's algorithms, May 8, 2013.
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Delineating objects in images via minimization of lp energies:
Fuzzy Connectedness, Graph Cut, and Random Walk algorithms, May 9, 2013.
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On functions with continuous restrictions to various sets, June 4, 2013.
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The Minimum Barrier Distance Transform (with new results), June 7 & 10, 2013.
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Differentiability on perfect subsets P of R;
Smooth Peano functions from P onto P2,
July 4-6, 2013.
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Separate continuity and its generalizations history, recent progress, and open problems,
October 15, 2013.
(Extended version of the talk
Differentiability on perfect subsets P of R;
Smooth Peano functions from P onto P2.)
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New Results on the Minimum Barrier Distance,
April 11, 2014.
(A version of the talk
The Minimum Barrier Distance Transform.)
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Generalized distances in image segmentation,
July 26, 2014.
(Version of the talks
The Minimum Barrier Distance Transform and
Delineating objects in images via minimization of lp energies;
spanning forests via Dijkstra's and Kruskal's algorithms.)
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General theory of fuzzy connectedness segmentations: reconciliation of two tracks of FC theory,
March 6, 2015.
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An auto-homeomorphism of a Cantor set with zero derivative everywhere,
June 8-13, 2015.
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Characterization of the path cost functions for which Dijkstra algorithm returns desired optimal mapping,
UPenn, December 17, 2015.
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Lineability and additivity cardinals for real-valued functions: old results and new developments,
Madrid, February 9, 2016.
- K.C. Ciesielski and J. Jasinski,
Fixed point theorems for maps with various local contraction properties,
Twelfth Symposium on General Topology Prague, July 25-29, 2016. Presented by J. Jasinski.
- K.C. Ciesielski,
Minimal degree of Genocchi-Peano function of n variables,
Combinatorics seminar, WVU, November 9, 2016.
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Path-value functions for which Dijkstra's algorithm returns optimal mapping,
UPenn, December 15, 2016.
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Differentiable pointwise contractive minimal dynamical systems,
51st Spring Topology Conference, Jersey City, NJ, March 10, 2017.
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Locally contractive maps and fixed point theorems,
51st Spring Topology Conference, Jersey City, NJ, March 10, 2017. Presented by J. Jasinski.
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Fuzzy connectedness segmentations with different non-symmetric affinities,
University of Campinas, Brazil, May 19, 2017.
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Differentiability versus continuity: monstrous examples and extension theorems,
Summer Symposium in Real Analysis XLI,
The College of Wooster, Wooster, OH, June 18--24, 2017.
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Differentiable pointwise contractive auto-homeomorphism of a Cantor set,
Pitt Topology Conference, June 24-25, 2017.
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Locally contractions and fixed point theorems,
Real Functions Seminar, University of Gdansk, Poland, November 21, 2017. Presented by J. Jasinski.
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Less than continuum-many continuous functions that almost cover every continuous function,
Pitt Conference on Function Spaces, February 10, 2018.
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Differentiability versus continuity: Restriction and extension theorems and monstrous examples,
Summer Symposium in Real Analysis XLII, The White Nights Symposium, Saint-Petersburg, Russia, June 10, 2018.
Version with pauses.
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Higher level differentiability: Generalized Ulam-Zahorski problem and small coverings by smooth maps,
Summer Symposium in Real Analysis XLII, The White Nights Symposium, Saint-Petersburg, Russia, June 11, 2018.
Version with pauses.
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Hierarchical segmentation in a directed graph setting which optimizes a graph cut energy,
ESIEE, Paris, France, September 5, 2018.
Version with pauses.
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Hierarchical segmentation in a directed graph setting which optimizes a graph cut energy,
Centre for Image Analysis, Uppsala University, Sweden, September 10, 2018.
Version with pauses.
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Path-value functions for which Dijkstra's algorithm returns optimal mapping,
Department of Mathematics, CoSy, Uppsala University, Sweden, September 11, 2018.
Version with pauses.
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Hierarchical segmentation in a directed graph setting which optimizes a graph cut energy,
MIPG Seminar, UPenn, November 1, 2018.
Version with pauses.
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Differentiability versus continuity: Restriction and extension theorems and monstrous examples,
Colloquium at Universidad Complutense de Madrid, Spain, November 8, 2018.
Version with pauses.
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Tutorial on Martin's Axiom, by example,
Workshop: Topological and Algebraic Genericity II, Spain, November 13, 2018.
Version with pauses.
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Optimization of Max-Norm Objective Functions in Image Processing and Computer Vision,
MIPG Seminar, UPenn, March 7, 2019.
Version with pauses.
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Graph-based Segmentation with Local Band Constraints,
21st International Conference on Discrete Geometry for Computer Imagery, DGCI 2019,
Paris, France, March 26, 2019. Talk delivered by a coauthor, Caio de Moraes Braz.
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Optimization of Max-Norm Objective Functions in Image Processing and Computer Vision,
21st International Conference on Discrete Geometry for Computer Imagery, DGCI 2019,
Paris, France, March 28, 2019. Talk delivered by a coauthor, Filip Malmberg.
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Efficient algorithms for max-norm and lexicographically optimized labelings,
University of Sao Paulo, Brazil, May 27, 2019.
Version with pauses.
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Efficient algorithms for max-norm and lexicographically optimized labelings,
University of Campinas, Brazil, May 30, 2019.
Version with pauses.
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Efficient algorithms for max-norm and lexicographically optimized labelings,
Universidade Federal de Sao Paulo UNIFESP, Sao Jose dos Campos, Brazil, June 3, 2019.
Version with pauses.
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A century of Sierpinski-Zygmund functions,
34th Summer Conference on Topology and its Applications,
Johannesburg, South Africa, July 3, 2019.
Version with pauses.
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Differentiability versus continuity: Restriction and extension theorems and monstrous examples,
Function Theory on Infinite Dimensional Spaces XVI, Madrid, Spain, November 19, 2019.
Version with pauses.
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Differentiability versus continuity: What good Calc 1 student may ask about,
Colloquium, Math Department, WVU, December 4, 2019.
Version with pauses.
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Linearly continuous maps discontinuous on the graphs of twice differentiable functions,
44th Summer Symposium in Real Analysis XLII, Paris and Orsay, France,
June 21, 2022.
Version with pauses.
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