Search Results - "Brun, Morten"

The Rectangle Complex of a Relation by Brun, Morten, Salbu, Lars M.

“…We construct a simplicial complex, the rectangle complex of a relation R , and show that it is homotopy equivalent to the Dowker complex of R . This results in…”
Get full text

Determining homology of an unknown space from a sample by Brun, Morten, García Pascual, Belén, Salbu, Lars M.

“…The homology of an unknown subspace of Euclidean space can be determined from the intrinsic Čech complex of a sample of points in the subspace, without…”
Get full text

Integrative omics-analysis of lipid metabolism regulation by peroxisome proliferator-activated receptor a and b agonists in male Atlantic cod by Eide, Marta, Goksøyr, Anders, Yadetie, Fekadu, Gilabert, Alejandra, Bartosova, Zdenka, Frøysa, Håvard G, Fallahi, Shirin, Zhang, Xiaokang, Blaser, Nello, Jonassen, Inge, Bruheim, Per, Alendal, Guttorm, Brun, Morten, Porte, Cinta, Karlsen, Odd André

“…Lipid metabolism is essential in maintaining energy homeostasis in multicellular organisms. In vertebrates, the peroxisome proliferator-activated receptors…”
Get full text

Candidate Markers for Stratification and Classification in Rheumatoid Arthritis by Bader, Lucius, Gullaksen, Stein-Erik, Blaser, Nello, Brun, Morten, Bringeland, Gerd Haga, Sulen, André, Gjesdal, Clara Gram, Vedeler, Christian, Gavasso, Sonia

“…Rheumatoid arthritis (RA) is a chronic autoimmune, inflammatory disease, characterized by synovitis in small- and medium-sized joints and, if not treated early…”
Get full text

Brain Tumor Segmentation Based on Minimum Spanning Tree by Mayala, Simeon, Herdlevær, Ida, Haugsøen, Jonas Bull, Anandan, Shamundeeswari, Gavasso, Sonia, Brun, Morten

“…In this paper, we propose a minimum spanning tree-based method for segmenting brain tumors. The proposed method performs interactive segmentation based on the…”
Get full text

GUBS: Graph-Based Unsupervised Brain Segmentation in MRI Images by Mayala, Simeon, Herdlevær, Ida, Haugsøen, Jonas Bull, Anandan, Shamundeeswari, Blaser, Nello, Gavasso, Sonia, Brun, Morten

“…Brain segmentation in magnetic resonance imaging (MRI) images is the process of isolating the brain from non-brain tissues to simplify the further analysis,…”
Get full text

Relative Persistent Homology by Blaser, Nello, Brun, Morten

“…The alpha complex efficiently computes persistent homology of a point cloud X in Euclidean space when the dimension d is low. Given a subset A of  X , relative…”
Get full text

ON ALGEBRAS ASSOCIATED TO PARTIALLY ORDERED SETS by BRUN, MORTEN, RÖMER, TIM

“…We continue the work [2] on sheaves of rings on finite posets. We present examples where the ring of global sections coincide with toric faces rings, quotients…”
Get full text

Crossover analysis in a commercial 6 kW/43kAh vanadium redox flow battery utilizing anion exchange membrane by Oreiro, Sara Noriega, Bentien, Anders, Sloth, Jonas, Rahimi, Mohammad, Madsen, Morten Brun, Drechsler, Terje

“…•Protons are the primary charge carriers in VRFBs employing AEMs.•Regular operation (5–80 % SoC) shows ∼0.5 % electrolyte volume transfer per cycle.•Osmotic…”
Get full text

Sparse Dowker nerves by Brun, Morten, Blaser, Nello

“…We propose sparse versions of filtered simplicial complexes used to compute persistent homology of point clouds and of networks. In particular, we extend the…”
Get full text

Divisive Cover by Blaser, Nello, Brun, Morten

“…The aim of this paper is to present a method for computing persistent homology that performs well at large filtration values. To this end we introduce the…”
Get full text

The parameterized complexity of finding minimum bounded chains by Blaser, Nello, Brun, Morten, Salbu, Lars M., Vågset, Erlend Raa

“…Finding the smallest d-chain with a specific (d−1)-boundary in a simplicial complex is known as the Minimum Bounded Chain problem (MBCd). MBCd is NP-hard for…”
Get full text

Epistemic uncertainty quantification in deep learning classification by the Delta method by Nilsen, Geir K., Munthe-Kaas, Antonella Z., Skaug, Hans J., Brun, Morten

“…The Delta method is a classical procedure for quantifying epistemic uncertainty in statistical models, but its direct application to deep neural networks is…”
Get full text

HyperTraPS-CT: Inference and prediction for accumulation pathways with flexible data and model structures by Aga, Olav N L, Brun, Morten, Dauda, Kazeem A, Diaz-Uriarte, Ramon, Giannakis, Konstantinos, Johnston, Iain G

“…Accumulation processes, where many potentially coupled features are acquired over time, occur throughout the sciences from evolutionary biology to disease…”
Get full text

The Dual Degree Cech Bifiltration by Brun, Morten

“…In topological data analysis (TDA), a longstanding challenge is to recognize underlying geometric structures in noisy data. One motivating examples is the…”
Get full text

RNA-Seq analysis of transcriptome responses in Atlantic cod (Gadus morhua) precision-cut liver slices exposed to benzo[a]pyrene and 17α-ethynylestradiol by Yadetie, Fekadu, Zhang, Xiaokang, Hanna, Eileen Marie, Aranguren-Abadía, Libe, Eide, Marta, Blaser, Nello, Brun, Morten, Jonassen, Inge, Goksøyr, Anders, Karlsen, Odd André

“…•RNA-Seq analysis was performed on Atlantic cod precision cut liver slices exposed to BaP, EE2, and mixtures of BaP and EE2 for 48 h.•Genes and pathways…”
Get full text

The use of heuristics in intuitive mathematical judgment by Reber, Rolf, Brun, Morten, Mitterndorfer, Karoline

“…Anecdotal evidence points to the use of beauty as an indication of truth in mathematical problem solving. In the two experiments of the present study, we…”
Get full text

The Dowker theorem via discrete Morse theory by Brun, Morten, Grinberg, Darij

“…The Dowker theorem is a classical result in the topology of finite spaces, claiming that any binary relation between two finite spaces defines two…”
Get full text

Witt vectors and Tambara functors by Brun, Morten

“…We give a combinatorial description of the ring of G-Witt vectors on a polynomial algebra over the integers for every finite group G. Using this description we…”
Get full text

Covering homology by Brun, Morten, Carlsson, Gunnar, Dundas, Bjørn Ian

Get full text